Perks

For the perks available in zombies, see Perk-a-Cola.

Perks are modifiers featured in the multiplayer aspects of Call of Duty 4: Modern Warfare, Call of Duty: World at War, Call of Duty: Modern Warfare 2, Call of Duty: Black Ops, Call of Duty: Black Ops (Nintendo DS), Call of Duty: Modern Warfare 3, Call of Duty: Black Ops II, Call of Duty: Ghosts, Call of Duty: Advanced Warfare, Call of Duty: Black Ops III, Call of Duty: Infinite Warfare, Call of Duty: Modern Warfare Remastered, Call of Duty: Black Ops 4, Call of Duty: Mobile, Call of Duty: Modern Warfare, Call of Duty: Black Ops Cold War, Call of Duty: Vanguard, Call of Duty: Modern Warfare II, Call of Duty: Modern Warfare III, and Call of Duty: Black Ops 6. They passively affect gameplay, allowing further customization of classes. They affect available equipment, effectiveness of the player's equipment, the speed the player's equipment can be used, the usefulness of the enemy's equipment, and the physical properties of the player's character.

Call of Duty 4: Modern Warfare/Call of Duty: Modern Warfare Remastered

Some perks are available initially, while others are unlocked as the player progresses through multiplayer ranks. Up to three perks, one of each tier, can be equipped at once. Six perks can also be found in Old School Mode, respectively Juggernaut, Stopping Power, Sleight of Hand, Double Tap, Last Stand and Martyrdom.

Call of Duty 4: Modern Warfare - Perks
Tier 1 Perks
Name	Unlock Lvl.	Effect	Icon
C4 x2	1	Gives the player two C4 packages.
RPG-7 x2	1	Gives the player an RPG-7 with two rockets.
Special Grenades x3	1	Gives the player either 3 stun grenades or 3 flash grenades.
Bomb Squad	14	Enemy explosives are marked with icons.
Claymore x2	23	Gives the player two Claymores.
Bandolier	32	Gives the player extra starting ammo for their primary and secondary weapons.
Frag x3	41	Gives the player 3 fragmentation grenades
Tier 2 Perks
Name	Unlock Lvl.	Effect	Icon
Stopping Power	1	Increases bullet damage by 40%, cancels out Juggernaut
Juggernaut	1	Reduces incoming damage by 25%, cancels out Stopping Power and Sonic Boom
Sonic Boom	1	Increases explosives damage by 25%, cancels out Juggernaut
UAV Jammer	11	Player becomes invisible against enemy UAVs.
Sleight of Hand	20	Halves reloading time.
Double Tap	29	Increases rate of fire by 33%.
Overkill	38	Allows the player to have an extra primary weapon instead of a pistol.
Tier 3 Perks
Name	Unlock Lvl.	Effect	Icon
Deep Impact	1	Extra bullet damage when shooting through walls.
Extreme Conditioning	1	Doubles the player's sprinting time.
Steady Aim	1	Increases hipfiring accuracy.
Last Stand	8	Player pulls out a pistol before dying. Headshots, grenade explosions, knife stabs, shotgun blasts, sniper rifle one-hit-kills, killstreaks and other directly lethal attacks will cancel this out. Falling a great height will also render this useless.
Martyrdom	17	Drop a live grenade after death.
Iron Lungs	26	Longer breath hold for sniper rifles.
Eavesdrop	35	Hear near by enemy's voice chat.
Dead Silence	44	Foot steps are 75% more silent
Attachments
Name	Unlock Lvl.	Effect	Icon
Grenade Launcher	N/A	Equips assault rifles with a grenade launcher. Will take the place of first tier perk.
Grip	N/A	Equips shotguns and light machine guns with a vertical forward handgrip. Decreases recoil and improves accuracy. Will take the place of first tier perk.

Call of Duty: Modern Warfare Remastered - Perks
Tier 1 Perks
Name	Unlock Lvl.	Effect	Icon
Weapon Attachment	1	Perk Icon for when a Grip or Grenade Launcher is chosen as an attachment.
C4 x2	1	Gives the player two C4 packs.
RPG-7 x2	1	Gives the player an RPG-7 with two rockets.
Special Grenades x3	1	Gives the player either 3 stun grenades or 3 flash grenades.
Bomb Squad	14	Enemy explosives are marked in red.
Claymore x2	23	Gives the player two Claymores.
Bandolier	32	Gives the player extra starting ammo for their primary and secondary weapons.
Frag x3	41	Gives the player 3 fragmentation grenades.
Tier 2 Perks
Name	Unlock Lvl.	Effect	Icon
Stopping Power	1	Increases bullet damage by 40%, cancels out Juggernaut
Juggernaut	1	Reduces incoming damage by 25%, cancels out Stopping Power and Sonic Boom
Sonic Boom	1	Increases explosives damage by 25%, cancels out Juggernaut
UAV Jammer	11	Player becomes invisible against enemy UAVs.
Sleight of Hand	20	Halves reloading time.
Double Tap	29	Increases rate of fire by 33%.
Overkill	38	Allows the player to have an extra primary weapon instead of a pistol.
Tier 3 Perks
Name	Unlock Lvl.	Effect	Icon
Deep Impact	1	Extra bullet damage when shooting through walls.
Extreme Conditioning	1	Doubles the player's sprinting time.
Steady Aim	1	Increases hipfiring accuracy.
Last Stand	8	Player pulls out a pistol before dying. Headshots, grenade explosions, knife stabs, shotgun blasts, sniper rifle one-hit-kills, killstreaks and other directly lethal attacks will cancel this out. Falling a great height will also render this useless.
Martyrdom	17	Drop a live grenade after death.
Iron Lungs	26	Longer breath hold for sniper rifles.
Eavesdrop	35	Hear near by enemy's voice chat.
Dead Silence	44	Foot steps are 75% more silent
Attachments
Name	Unlock Lvl.	Effect	Icon
Grenade Launcher	N/A	Equips assault rifles with a grenade launcher. Will take the place of first tier perk.
Grip	N/A	Equips shotguns and light machine guns with a vertical forward handgrip. Decreases recoil and improves accuracy. Will take the place of first tier perk.

Call of Duty: World at War

As with Call of Duty 4: Modern Warfare, the perks are divided into equipment, weapon and ability tiers.

Call of Duty: World at War - Perks
Tier 1 Perks
Name	Unlock Lvl.	Effect	Icon
Special Grenades x3	1	Gives player 3 Special Grenades.
Satchel Charge x2	1	Gives player 2 Satchel Charges.
M9A1 Bazooka x2	1	Gives player a Bazooka with two rockets.
Bomb Squad	16	Enemy Satchel Charges and Bouncing Betties are exposed.
Bouncing Betty x2	24	Equips player with two proximity mines similar to Claymores.
Bandolier	40	Increases initial starting ammunition.
Primary Grenades x2	44	Gives the player two of any lethal grenades.
M2 Flamethrower	65	Equips the player with a Flamethrower.
Tier 2 Perks
Name	Unlock Lvl.	Effect	Icon
Stopping Power	1	Bullet damage increased by 40%. Cancels out Juggernaut.
Fireworks	1	Explosive damage increased by 40%. Cancels out Flak Jacket.
Flak Jacket	1	Reduces incoming explosive damage by 25%. Cancels out Fireworks. (Caps the maximum damage taken from any one explosive to 75 damage, except for direct impacts from explosives.)
Gas Mask	1	Makes player immune to Tabun Gas.
Juggernaut	1	Reduces incoming bullet damage by 25%. Cancels out Stopping Power.
Camouflage	12	Player becomes invisible against enemy Recon Planes.
Sleight of Hand	28	Reload time is halved.
Shades	32	Reduces the glare effects of Signal Flares. (This perk phyically adds glasses to the player model)
Double Tap	36	Increases rate of fire by 33%.
Overkill	56	Replaces secondary weapon with another primary weapon.
Tier 3 Perks
Name	Unlock Lvl.	Effect	Icon
Deep Impact	1	Reduces damage lost when shooting through walls.
Extreme Conditioning	1	Double sprint duration.
Steady Aim	1	Increased hipfire accuracy.
Toss Back	6	Resets the fuse of thrown-back grenades.
Second Chance	9	When near death, the player will pull out a pistol. Headshots, grenade explosions, knife stabs, shotgun blasts, sniper rifle one-hit-kills, killstreaks, falling a great height and other directly lethal attacks will cancel this out, as will certain other factors like Hardcore mode. Also gives the player the ability to revive downed allies. Downed after sustaining lethal fire for 30 sec.
Martyrdom	20	A live grenade is dropped upon death.
Fireproof	48	Damage from fire done to the player is reduced to 55%.
Dead Silence	52	Reduces movement noise significantly.
Iron Lungs	60	Sniper Scope hold-breath time is increased to 10 seconds.
Reconnaissance	64	Expose all Artillery, Dogs and Tanks on the map.
Vehicle Perks
Name	Unlock Lvl.	Effect	Icon
Water Cooler	1	Decreased turret overheating.
Greased Bearings	1	Increased turret rotation speed.
Ordnance Training	12	Gives an effect similar to Sleight of Hand, halving the player's reload time.
Leadfoot	28	Increases tank speed.
Coaxial Machine Gun	40	Allows driver to use a Coaxial machine gun in the front of the tank.
Weapon Attachments
Name	Unlock Lvl.	Effect	Icon
Rifle Grenade	-	Equips semi-automatic and bolt-action rifles with a grenade launcher. Will remove tier one if equipped.
Foregrip	-	Equips shotguns with a vertical forward handgrip. Will remove tier one if equipped.

Vehicle perks, Shades, Iron Lungs and Reconnaissance are not available on the Wii version of Call of Duty: World at War.

Call of Duty: Modern Warfare 2

In Call of Duty: Modern Warfare 2, the perks are divided into tiers in different ways than in Call of Duty 4 and World at War. Along with standard perks, players will now be able to unlock improved "Pro" versions of certain perks by fulfilling certain requirements while using them. These "Pro" versions include the original abilities of the perk, but also add new benefits.

Many of the perks that were in Call of Duty 4 and World at War that are missing are now either part of a Pro perk, available as weapon attachments, or are now deathstreaks, such as Deep Impact (FMJ), Bandolier (Scavenger Pro), and Martyrdom. The Overkill perk has been replaced partially by the inclusion of Machine Pistols, Shotguns, and Launchers as secondary weapons and also by the One Man Army and Bling perks.

Interestingly, if a Perk Challenge IV is achieved mid-game the "Pro" version will take effect immediately for all classes equipped with that perk. However, the effect of the Pro version is granted after respawning. Up to three perks, one of each tier, can be equipped at one time. The tiers are color coded blue, red, and green; only one of each can be equipped.

Call of Duty: Modern Warfare 2 - Perks
Tier 1 Perks
Name	Unlock Lvl.	Effect	Pro Effect	Icon	Pro Icon
Marathon	4	Unlimited sprint.	Mantle obstacles faster.
Sleight of Hand	4	Faster reloading.	Faster ADS (Aim Down Sight).
Scavenger	13	Resupply ammunition from dead bodies (both friendly and enemy).	Extra starting magazines (except for launchers)
Bling	21	Allows an extra attachment on your primary weapon.	Allows an extra attachment to secondary weapon.
One Man Army	45	Allows class switching in-game. (Replaces secondary weapon)	Faster class switching (from 5 seconds to 3).
Tier 2 Perks
Name	Unlock Lvl.	Effect	Pro Effect	Icon	Pro Icon
Stopping Power	4	Increased bullet damage by 40%.	Increased bullet damage against enemy killstreak rewards.
Lightweight	4	Move 7% faster.	Reduces sprint-to-fire time by half.
Hardline	9	Killstreaks require 1 less kill.	Deathstreaks require 1 less death.
Cold Blooded	25	Invisible against enemy sentry guns, thermal optics, aerial killstreaks and UAVs.	No cross-hair, icon, and red name when being aimed at.
Danger Close	33	Increased explosive damage by 40%.	Increased damage when using explosive killstreak rewards.
Tier 3 Perks
Name	Unlock Lvl.	Effect	Pro Effect	Icon	Pro Icon
Commando	1	Increased melee lunge distance.	No falling damage.
Steady Aim	1	Increased hip-fire accuracy.	Hold breath longer when scoped.
Scrambler	17	Jams the enemy radar when they are close enough.	Delays enemy claymore explosions.
Ninja	29	Immune to the Heartbeat Sensor.	Footsteps are 4 times more silent. Cancels out SitRep Pro
SitRep	37	Detect enemy explosives.	Enemy footsteps are 4 times louder. The user cannot hear their own footsteps, but the enemies can.
Last Stand	41	Use a pistol while bleeding out prior to death. Headshots, grenade explosions, knife stabs, shotgun blasts, sniper rifle one-hit-kills, killstreaks and other directly lethal attacks will cancel this out. Falling a great height also renders this useless.	Use your equipment in Last Stand. Same rules apply as the standard version of Last Stand.

Call of Duty: Black Ops

All Perks are unlocked for purchase at level 4. Unlocking Pro Perks requires three sets of challenges related to the standard version to be completed, as well as the purchase of the ability for 2000 CoD Points and the 3000 cost for the upgrade to its Pro version. The appearance of the Pro perks are done in a similar fashion to the ones in Modern Warfare 2, where the background becomes a star with the perk graphic superimposed over top of it.

First tier perks designate player appearance and provide constant passive effects. Second tier perks enhance weapon performance. Third tier perks can be either active or passive and are generally more context-sensitive than first tier perks. The perks featured in Black Ops are as follows.

Call of Duty: Black Ops - Perks
Tier 1 Perks
Name	Cost/Upgrade	Effect	Pro Effect	Icon	Pro Icon
Lightweight	Default/3000	Move 7% faster	No falling damage.
Scavenger	2000/3000	Pick up ammo and lethal grenades from dead bodies.	Extra mags when spawned and replenish tactical grenades (except Willy Pete smoke grenade).
Ghost	2000/3000	Invisible against Spy Planes.	Resistant against aircraft, infrared, and sentries. No cross-hair or red name when targeted.
Flak Jacket	2000/3000	Reduce explosive damage.	Take significantly less flame damage and reset the fuse of enemy frag grenades when thrown back.
Hardline	2000/3000	One less kill for killstreaks.	Allows player to randomly choose another reward from a Care Package once.
Tier 2 Perks
Name	Cost/Upgrade	Effect	Pro Effect	Icon	Pro Icon
Hardened	Default/3000	Increased bullet penetration.	Increased damage to enemy killstreaks and reduced flinch when shot at.
Scout	2000/3000	Hold breath longer when scoping.	Switch weapons faster.
Steady Aim	2000/3000	Increased hip-fire accuracy.	Faster recovery after sprinting and knifing.
Sleight of Hand	2000/3000	Faster reload time.	Faster ADS. (Except sniper rifles.)
Warlord	2000/3000	Two primary weapon attachments (except underbarrel attachments).	Carry one extra lethal and tactical grenade, except Willy Pete.
Tier 3 Perks
Name	Cost/Upgrade	Effect	Pro Effect	Icon	Pro Icon
Marathon	2000/3000	Increased sprint duration.	Unlimited sprint.
Ninja	2000/3000	Quiet movement (75%)	Enemies will be heard louder. Player becomes completely silent.
Second Chance	2000/3000	Survive lethal damage and use a pistol while downed. Cannot be revived. Headshots, grenade explosions, knife stabs, shotgun blasts, sniper rifle one-hit-kills, killstreaks and other directly lethal attacks will cancel this out. Falling a great height also renders this useless.	Increased bleed out time and teammates can revive you. Same rules apply as the standard version of Second Chance.
Hacker	2000/3000	Detect enemy equipment.	Receive and then booby trap enemy Care Packages, hack enemy equipment, and become invisible to Motion Sensors.
Tactical Mask	Default/3000	Immune to Nova Gas.	Reduces the effects of enemy flashbangs and concussion grenades. Reveals position of a flashed or stunned enemy.

Call of Duty: Black Ops (Nintendo DS) and Modern Warfare 3: Defiance

Perks are featured in Call of Duty: Black Ops (Nintendo DS) and can be selected during respawn and at the menu.

The perks are unlocked when the player reaches various multiplayer levels. The Perks are:

These perks return once again in Call of Duty: Modern Warfare 3: Defiance, but are now sorted into tiers. So unlike Black Ops DS where the player can pick any perk to equip in their perk slots. Players are now restricted into using perks in their allocated tier.

Call of Duty: Modern Warfare 3

Call of Duty: Modern Warfare 3 - Perks
Tier 1 Perks
Name	Unlock Lvl.	Effect	Pro Effect	Pro Unlock	Icon	Pro Icon
Recon	Unlocked by default.	Explosive damage paints the target on the mini-map for 12 seconds.	Bullet damage highlights the target on the mini-map for 12 seconds.	Painting 120 enemies on the mini-map with Recon
		Effect is similar to an Advanced UAV, giving positional and directional intel on the victim. Can be partially canceled out with Dead Silence.
Sleight of Hand	Unlocked by default.	Reload time halved.	Swap weapons twice as fast.	120 kills with Sleight of Hand
Blind Eye	11	Invincible against automated enemy air support and sentry guns. Player-controlled killstreaks will not highlight Blind Eye users through thermal vision.	Launchers lock-on twice as fast. 60% extra bullet damage versus low-flying air support and sentries.	Destroy 40 enemy killstreaks rewards using Blind Eye
Extreme Conditioning	22	Sprint for twice as long.	Mantle obstacles twice as fast.	Sprint 20 miles with Extreme Conditioning
Scavenger	39	Replenish non-explosive ammo from corpses. Weapon magazines, throwing knives and/or underbarrel shotgun shells are given. Should a fallen body be armed with an underbarrel grenade launcher, walking over said body will surrender 1 round for that grenade launcher.	Extra mags upon spawning. Launchers do not benefit.	Replenish 100 ammo packs using Scavenger
Tier 2 Perks
Name	Unlock Lvl.	Effect	Pro Effect	Pro Unlock	Icon	Pro Icon
Quickdraw	Unlocked by default.	ADS time reduced by half.	Recover from equipment and grenade usage three times as fast.	80 kills within a few seconds of aiming while in ADS and using Quickdraw
Blast Shield	Unlocked by default.	45% increased explosive resistance.	50% less stun time from flash and concussion grenades.	Survive 20 enemy explosions with Blast Shield
Hardline	15	Pointstreak acquisition requires 1 less point.	Every two assists earned add a point toward pointstreak acquisition. Deathstreaks require 1 less death.	Earn 80 pointstreak rewards using Hardline
Assassin	27	Invisible to enemy UAVs/Advanced UAVs/portable radars/thermal scopes/heartbeat sensors.	Resistant against Counter UAV/EMP. No crosshair or red name when targeted. Undetectable by Marksman Pro users. Killstreaks activated by Assassin-employing players will be destroyed if an EMP/MOAB is active.	20 kills with an enemy UAV/Advanced UAV is active and with Assassin
Overkill	47	Secondary weapon replaced by a primary weapon incapable of accepting attachments.	Second primary weapon will accept 1 attachment and camouflage. (or 2 attachments, if the Attachments proficiency is available)	120 kills with second primary weapon
Tier 3 Perks
Name	Unlock Lvl.	Effect	Pro Effect	Pro Unlock	Icon	Pro Icon
Marksman	Unlocked by default.	Identify enemy targets at longer range. Assassin Pro renders this useless.	Hold breath twice as long with a sniper rifle scope/VZS/thermal scope.	50 kills while holding breath and using Marksman
Stalker	Unlocked by default.	Full speed movement when ADS.	2 second delay to enemy explosives	120 kills while ADS and moving when Stalker is equipped
SitRep	19	Detect enemy equipment, whether lethal or tactical, as well as booby trapped packages.	Louder enemy footsteps, softer teammate footsteps. Cancels out Dead Silence.	Destroy 50 pieces of enemy equipment with SitRep equipped
Steady Aim	30	35% increased hip fire accuracy.	Weapon is ready faster after sprinting.	120 hip-fire kills using Steady Aim
Dead Silence	55	Quieter movement. Halves Recon duration. SitRep Pro renders this useless.	No fall damage. Hardcore modes and certain maps render this useless (e.g. the well in Seatown)	50 close range kills with Dead Silence

Call of Duty: Black Ops II

With Black Ops II, pro perks were removed.

Call of Duty: Black Ops II - Perks
Name	Unlock Lvl.	Effect	Icon
Tier 1
Lightweight	4	Move 7% faster, take no fall damage
Flak Jacket	32	Take 65% less explosive damage. No explosive is one hit kill unless it is a direct impact.
Blind Eye	5	Undetectable by AI controlled air support.
Hardline	4	Player receives 16% more score towards their scorestreaks. This does not apply to UAV, CUAV, and EMP Assists.
Ghost	55	Invisible against enemy UAVs while moving, planting/defusing bombs, and controlling scorestreaks. Does not protect players against Orbital VSATs.
Tier 2
Hard Wired	26	Immune to Counter-UAVs and EMPs
Scavenger	44	Replenish ammunition and lethals from enemies killed by the players (except explosive kills)
Cold Blooded	4	Immune to Dual Band, Target Finder, Millimeter Scanner, Sensor Grenades and Player controlled Scorestreaks. No red name when targeted by enemies.
Fast Hands	8	Swap guns faster, use lethal and tactical equipment faster. Reset the fuse when throwing back frag grenades.
Toughness	4	Flinch less when shot.
Tier 3
Dexterity	4	Climb ladders and mantle objects faster, aim faster after sprinting
Engineer	14	Show deployed enemy equipment, delay explosives, re-roll and booby trap enemy care packages
Dead Silence	38	Silent footsteps. Character does not talk nor does it make any other type of noise whatsoever.
Extreme Conditioning	4	Sprint for double the normal distance. Combat knife gains a 2.5x sprint distance.
Tactical Mask	20	Reduces the effects of flash, concussion and shock charges by 90%.
Awareness	50	Enemy movements are louder. Users can not hear dead silence users.

Call of Duty: Black Ops: Declassified

Call of Duty: Black Ops: Declassified - Perks
Name	Unlock Lvl.	Effect	Icon
Tier 1
Sleight of Hand		Reload faster
Lightweight		Run Faster
Hardline		Decreases amount of points for a Scorestreak
Jammer		Remain invisible to enemy UAV's, Sentries and Air Support.
Tier 2
Cold Blooded		No name on enemy screen.
Fast Hands		Swap weapons faster.
Hard-Wired		Immune to Counter UAV.
Toughness		Less flinch when shot
Tier 3
Dead Silence		No noise when moving
Flak Jacket		Protects from explosive damage
Surplus		Start off with extra mags and grenades
Marksman		See names from further away

Call of Duty Online

Perks return in Call of Duty Online, in the familiar three-tier system similar to the Black Ops and Modern Warfare trilogies, as well as Call of Duty: Advanced Warfare. However, the player needs to both have the required rank, and in-game currency amount, in order to purchase one. Another addition to the purchase system is that micro-transaction CODPoints (CP) can be used to buy the perks instead of the common in-game GP currency. Unlike previous installments, it contains no "Pro" perks, as some perks contain three or more perk capabilities in one.

Call of Duty Online - Perks
Tier 1 Perks
Name	Unlock Level	GP Cost	CP Cost	Effect	Icon
Hardline	8	1000	1500	Killstreaks take one less kill to obtain. Within Survival, Cyborg Evacuation & Cyborg Rising, users are rewarded with a poker, dog tag & battery for each round/wave completed.
Lightweight	0	1000	1580	Faster movement speed and immunity to fall damage.
Scavenger	0	1200	0	Resupply of ammunition from fallen enemies.
SitRep	42	4000	2680	Enemy explosives, equipment and aircraft are highlighted in red.
Sleight of Hand	0 (Default)	0 (Default)	0 (Default)	Decreases the reload time for all weapons by 50%
Tactical Mask	13	5200	2280	Reduce the effects of Flashbangs and Concussion Grenades by 90%
Takedown	33	2000	1850	No "Skull/Death" marks appear above dead enemy players on screen after killing them.
Tier 2 Perks
Name	Unlock Level	GP Cost	CP Cost	Effect	Icon
Blind Eye	14	1500	1980	Become undetectable by UAVs, Sentry Guns & Air Support.
Marathon	45	3800	2580	Sprint for a longer duration
Overkill	35	2500	2050	Carry 2 Primary Weapons
Quickdraw	0	1000	1580	Aim-down-sights faster, swap weaponry quicker & activate killstreaks faster.
Recon	23	2500	1580	Damaged enemies are painted onto the mini-map. Within Survival, Cyborg Rising and Cyborg Evacuation it highlights Juggernauts and the Cyborg Boss.
Toughness	0 (Default)	0 (Default)	0 (Default)	Flinch less when shot, faster equipment deployment, quicker object mantling & ladder climber and faster aim-down-sight after sprinting.
Tier 3 Perks
Name	Unlock Level	GP Cost	CP Cost	Effect	Icon
Flak Jacket	5	1100	1650	Decreased explosive and shotgun damage.
Steady Aim	0 (Default)	0 (Default)	0 (Default)	Increasing the hip-fire accuracy of the players weaponry.
Ninja	25	2500	2250	Remain undetectable from Heartbeat Sensors and Thermal Scope as well as decreasing the effect of Recon.
Marksman	48	4000	2680	Allowing identification of enemies at longer range and longer breath holding time.
Stalker	15	1500	1750	Move faster whilst Aiming-down-sights.
Engineer	37	3000	2280	Reset the fuse of a thrown grenade, regardless of how long the grenade was cooked.

Call of Duty: Ghosts

Perks return in Call of Duty: Ghosts, dividing into seven categories. These are Speed, Handling, Stealth, Awareness, Resistance, Equipment, and Elite. A player starts with 8 'points' to distribute between 35 perks. Perks are weighted between 1 and 5 points. Primary weapons, secondary weapons, and lethal and tactical equipment all count as one 'point', and removing them all would result in 12 'points' becoming available. Perks can be unlocked through a certain level or squad points. Any perk can be unlocked any time through squad points.

Perks in other game modes

"Trigger Happy" is unique to Safeguard mode, whereas "Self Revive" is exclusive to Extinction and Chaos Mode. All other perks mentioned below are present in said Chaos Mode only.

• Trigger Happy (Safeguard)
• Self Revive (Extinction & Chaos Mode)
• Mega Melee (Chaos Mode)
• Trap Master (Chaos Mode)
• Gas Mask (Chaos Mode)
• Stopping Power (Chaos Mode)
• Quick Revive (Chaos Mode)
• Fast Health Regen (Chaos Mode)
• More Cash (Chaos Mode)
• Super Stopping Power (Chaos Mode)
• Juiced (Chaos Mode)
• Double Health (Chaos Mode)
• Feral Vision (Chaos Mode)

Call of Duty: Advanced Warfare

Call of Duty: Advanced Warfare - Perks
Name	Unlock Lvl.	Effect	Icon
Tier 1 Perks
Lightweight	1 (Default)	Move faster.
Low Profile	1 (Default)	Become undetectable by enemy UAVs and Tracker Bullets.
Danger Close	l 39	Increased explosive and scorestreak damage.
Overcharged	25	Increased Exo Ability battery duration and shocks enemies upon impact of a Boost Slam.
Flak Jacket	9	Increased resistance from explosive damage, no slowdown from explosive damage and resets Grenade timer on throwback.
Tier 2 Perks
Peripherals	1 (Default)	Increased mini-map coverage and no death marker when enemies are killed.
Blind Eye	1 (Default)	Become invisible to all enemy scorestreaks except the UAV.
Cold-Blooded	15	Become resistant to enemy targeting systems, no enemy call-outs and no red name or crosshairs when targeted.
Gung-Ho	31	Shoot while sprinting or sliding.
Fast Hands	43	Reload while sprinting and faster Exo Ability and Exo Launcher use.
Tier 3 Perks
Toughness	1 (Default)	Reduced flinch when shot.
Scavenger	35	Start with maximum ammo capacity and resupply ammo from dead players.
Blast Suppressor	2	Using Exo Movements retains invisibility on minimap
Hard Wired	1 (Default)	Immune to enemy System Hack, EMP, Nano Swarms, Stun Grenades, and Scramblers.
Hardline	47	Decrease scorestreak cost by 100.

Call of Duty: Black Ops III

Call of Duty: Black Ops III - Perks
Name	Effect	Icon
Tier 1
Sixth Sense	Shows nearby enemies' direction on the mini-map.
Flak Jacket	Take less explosive damage. No explosive is one hit kill unless it is a direct impact.
Blind Eye	Undetectable by AI-controlled air support.
Ghost	Invisible against enemy UAVs while moving, planting/defusing bombs, and controlling scorestreaks. Does not protect players against HATRs.
Afterburner	Thruster packs recharge faster.
Overclock	Earn Specialist weapon or ability 25% faster.
Tier 2
Fast Hands	Swap guns faster, use lethal and tactical equipment faster, aim down sight faster after sprinting.
Scavenger	Replenish ammunition and equipment from enemies killed by the player (except explosive kills).
Tracker	Shows nearby enemies' footprints for a short time.
Hard Wired	Immune to Counter-UAVs, Power Cores, EMP Grenades and Smoke Screens. Won't set off Trip Mines, Shock Charges and C4s. More difficult to be detected through Tracker and Sixth Sense.
Cold Blooded	Immune to Thermal Sight and player-controlled scorestreaks. No red name when targeted by enemies.
Ante Up	Spawn with 100 free points towards your scorestreak.
Tier 3
Dead Silence	Silent footsteps. Character does not talk nor does it make any other type of noise whatsoever.
Blast Suppressor	Using thrusters are quieter and does not make you appear on the radar.
Gung-Ho	Shoot and use equipment while sprinting.
Awareness	Enemy movements are louder. Users can hear Dead Silence users.
Engineer	Show enemy equipment and Scorestreaks, delay explosives, reroll and booby trap enemy Care Packages.
Tactical Mask	Reduces the effects of Flashbangs, Concussion Grenades and Shock Charges by 90% (nearly immune).

Call of Duty: Infinite Warfare

Call of Duty: Infinite Warfare - Perks
Tier 1 Perks
Name	Unlock Lvl.	Effect	Icon
Recon	1	Minimap shows a larger area. Gain a single radar sweep when a standard enemy UAV appears and another when it dies.
Blind Eye	1	Undetectable by AI targeting systems, including air and ground scorestreaks and payloads.
Blast Shield	1	Increased resistance to explosive damage.
Dexterity	5	Reload and switch weapons faster.
Ghost	18	Invisible to UAV and radar pings.
Overclock	33	Payload charges faster.
Tier 2 Perks
Name	Unlock Lvl.	Effect	Icon
Tac Resist	1	Increased resistance to flash and stun effects.
Hardline	1	Gain bonus points for each kill up to 8 kills per life. 2 Assists give you the same bonus.
Momentum	1	Sprint faster over time. Jumping, sliding, and wall running will reset your momentum.
Tracker	8	See recent enemy trails, even when they are cloaked.
Cold-Blooded	22	Invisible to thermal detection systems. Enemies cannot see your nameplate.
Scavenger	37	Resupply ammo from dead players.
Tier 3 Perks
Name	Unlock Lvl.	Effect	Icon
Gung-Ho	1	Shoot, use equipment and scorestreaks while sprinting.
Pin Point	1	Outline enemies when dealing or taking weapon damage.
Hardwired	1	Immune to EMP effects, blocks equipment or abilities that outline you for enemies.
Marksman	11	Acquire enemy names from a greater distance. Reduced flinch that primarily affects sniper rifles but gives a very minor benefit to other weapons.
Engineer	25	Detect enemy equipment and scorestreaks through walls and delay activation of enemy mines. Plant the bomb silently in bomb objective game modes.
Dead Silence	43	Footsteps and jump packs are silenced.
Call of Duty : Infinite Warfare - Loadout Options
Loadout Options
Name	Unlock Lvl.	Effect	Icon
Primary Expert	13,27,39	Equip an additional attachment for your Primary weapon.
Secondary Expert	24,34	Equip an additional attachment for your Secondary weapon.
Overkill	1	Take a primary weapon as your secondary weapon.
Extra Lethal	32	Equip an additional Lethal charge in your loadout.
Extra Tactical	1	Equip an additional Tactical charge in your loadout.
Perk 1 Greed	6	Equip an additional Perk 1 in your loadout.
Perk 2 Greed	9	Equip an additional Perk 2 in your loadout.
Perk 3 Greed	19	Equip an additional Perk 3 in your loadout.

Call of Duty: Black Ops 4

Tier 1 Perk
Name	Level	Description	Icon
Scavenger	At start	Replenish ammo from fallen players.
Engineer	At start	Detect enemy equipment and Scorestreaks through walls. Re-roll and booby trap Care Packages.
Flak Jacket	12	Take less fire damage, explosive damage, and radiation damage.
Tactical Mask	24	Increased resistance to 9-Bang, Concussion, Razor Wire, Reactor Core, Seeker, Tempest, fire, and Counter UAV.
Tier 2 Perks
Name	Level	Description	Icon
Lightweight	At start	Move faster while sprinting and take no damage from falling.
Skulker	At start	Move faster while crouched and prone
Cold Blooded	15	Increased resistance to enemy Ability, Equipment, and Scorestreak targeting systems. Enemy AI will be delayed when targeting you. Player-controlled Scorestreaks will not highlight you with a targeting reticle.
Gung-Ho	30	Fire your weapon and use equipment while sprinting. Also recover from sprint faster and move at full speed while reloading.
Dexterity	42	Mantle, climb, slide, and swap weapons faster. Increased weapon accuracy while jumping or mantling.
Tier 3 Perks
Name	Level	Description	Icon
Ghost	At start	Undetectable by enemy UAVs while moving, planting, or defusing bombs, or controlling streaks. Reduced reveal on enemy Sensor Darts and Vision Pulse.
Team Link	At start	See friendly teammates through walls and reveal a Fog of War circle around you and your teammates.
Dead Silence	18	Move quietly and resist detection from Acoustic Sensor.
Tracker	36	See digital imprint of enemy footsteps and receive an alert on your HUD when revealed in enemy Fog of War.

Call of Duty: Mobile

Tier 1 Perks
Name	Unlock	Description	Icon
Fast Recover	At start	Increase HP recovery rate by 35%.
Lightweight	Level 21	Sprinting speed is increased by 5% and fall damage is greatly reduced.
Agile	Level 29	Object mantling speed is increased and the aim time of weapons after sprinting is reduced.
Flak Jacket	Level 36	Explosive damage is reduced by 35%. Throwing back a grenade resets time. Reduces the continuous damage from Molotov Cocktail and Thermite.
Skulker	Level 45	Move 12% faster when walking and crouching.
Tactician	2000 credits in the store	Spawn with an extra piece of tactical equipment.
Restock	2000 credits in the store	Recharges equipment over 25 seconds. Replenishes one Combat Axe.
Overclock	2000 credits in the store	Increases the charging speed of the Operator Skill.
Martyrdom	2000 credits in the store	Drop a live grenade upon death.
Iron Lungs	2000 credits in the store	Hold your breath longer for steadier sniper shots.
Pin Point	-	Outline enemies when dealing or taking weapon damage and enhance aim assist.
Dauntless	-	All burning damage received is reduced and movement speed debuffs have no effect.
Tier 2 Perks
Name	Unlock	Description	Icon
Vulture	At start	Pick up ammo from kills equal to the magazine capacity of the current weapon.
Cold-Blooded	Level 7	Enemy AI-controlled Scorestreaks cannot target you. Does not affect manually-controlled Scorestreaks.
Tracker	Level 24	Enemy footprints are visible for 4 seconds.
Toughness	Level 31	Flinch when being shot is reduced by 60%.
Hard Wired	Level 39	Become immune to Counter-UAVs and EMP Grenades, and no longer trigger Trip Mines. Enemy Tracker perks are also reduced.
Ghost	Level 47	Enemy UAVs cannot reveal your position and Advanced UAVs will not reveal your direction. Enemy VTOLs, Predator Missile and Heartbeat Sensor will not detect your position. Enemy's vision will not pulse when they are equipped with High Alert.
Quick Fix	2000 credits in the store	Gun, melee, and combat axe kills regenerate health immediately - triggered once every 2 seconds. Capturing and holding objectives increases health regeneration.
Amped	2000 credits in the store	Take advantage of faster weapon swap, throwing grenade swap and launcher reload speed (excludes pistol and melee swaps).
Recon	2000 credits in the store	After an enemy is killed, nearby enemies will be scanned and displayed on the mini map.
Gung-Ho	-	Hip fire, throw grenades and change mags while sprinting.
Spycraft	-	Hack enemy Field Upgrades including: Trophy System, Trip Mine, SAM Turret, Sentry Turret, Transform Shield, and Munitions Box. These units can be controlled after manual hack is complete.
Serpentine	-	Reducing incoming bullet damage by 25% while sprinting for 2s (Not active during sliding or jumping).
Tier 3 Perks
Name	Unlock	Description	Icon
Hardline	At start	Increases points earned from killing enemies by 25%.
Persistence	Level 11	Scorestreak progression doesn't reset upon death, but each Scorestreak costs increase by 80% and can only be used once per match. Scorestreaks will also be divided into 3 ranks and you can only equip one of each rank at the same time.
Demo Expert	Level 17	Increases the damage of explosives by 40%.
Dead Silence	Level 27	Grants silent movement while walking, crouching or during prone. Sound spread distance becomes shorter while sprinting.
Engineer	Level 33	Reveals enemy equipment and scorestreaks. Re-roll friendly Care Packages and booby trap enemy Care Packages.
Tactical Mask	Level 42	Reduces the duration of enemy tactical equipment effects by 40%.
Alert	Level 51	Shows a general location of enemies on the mini-map as they approach.
Shrapnel	2000 credits in the store	Spawn with a extra piece of lethal equipament. Explosive damage delays enemy health regeneration.
High Alert	2000 credits in the store	Your vision pulses when enemies outside of your view see you. Mark enemies, their equipment, and their scorestreaks by aiming down your sights.
Unit Support	-	Operator Skill charges 55% from teammate kills, but your Operator Skill charge is reduced by 50%. 10% of Scorestreak charge comes from teammate kills when capturing Objectives. This perk only increases charging speed which will be adjusted according to the player count.
Firepower Support	-	Adds 2 reserve ammunition to all launchers. 70% chance to obtain the enemy's Scorestreaks when destroying it with a launcher.
Survival Training	-	Immune to the negative effects of a single hostile tactical item. 20 second cooldown.
Assassin	-	After 90 secs in a match, high-threat enemies are marked on the mini-map and extra score bonuses are given for eliminating them, except in Search & Destroy. These enemies are ones who have activated 3 Scorestreaks or have a K-D ratio of over 4 without dying.

Call of Duty: Modern Warfare

Specialist Mode

Main article: Specialist Mode

Specialist mode, unlocked at level 29, allows players to give up their Killstreaks in exchange for gaining up to additional 3 perks during their current life after getting kills.

Perks

Tier 1 Perk
Name	Level	Description	Icon
Double Time	At start	Double the duration of tactical sprint. Increase crouch movement speed by 30%.
E.O.D.	At start	Take reduced damage from non-killstreak explosives and fire. Hack enemy Claymores, Proximity Mines and C4.
Scavenger	18	Resupply ammo from dead players.
Cold-Blooded	29	Undetectable by AI targeting systems and thermal optic.
Kill Chain	34	Killstreaks earned in your current life earn kill credit for other killstreaks.
Quick Fix	42	Killing players, capturing objectives and holding objectives will increase your health regeneration rate.
Tier 2 Perks
Name	Level	Description	Icon
Restock	At start	Recharge equipment over 25 seconds. stims recharge in 15.
Hardline	At start	Your killstreaks cost 1 less kill.
Overkill	8	Carry two primary weapons.
High Alert	11	Your vision pulses when enemies outside of your view see you.
Ghost	24	Undetectable by UAVs, Radar Drones, Heartbeat Sensors and High Alert. Hide the death markers of enemies you kill.
Pointman	49	Change your killstreaks into Scorestreaks.
Tier 3 Perks
Name	Level	Description	Icon
Tune Up	At start	Increase the charge rate of field upgrades by 40%.
Amped	At start	Faster weapon swap and rocket launcher reload speed.
Shrapnel	13	Spawn with extra piece of lethal equipment. Explosive damage delays enemy health regeneration.
Battle Hardened	26	Reduce strength of enemy flash, stun and EMP effects. Immune to Snapshot Grenades.
Engineer (Spotter)	38	See enemy equipment, field upgrades and killstreaks through walls. Mark them for your team by looking at them while aiming down sights.
Tracker	51	Enemies leave behind a footprint trail. See markers at enemy death locations.

Weapon Perks
Name	Description	Icon
Heavy Hitter	Melee produces greater stun on targets.
FMJ	Increases bullet penetration and damage against equipment and killstreaks.
Sleight of Hand	Training in reloading faster when under pressure.
Fast Melee	Training in executing melee maneuvers with great speed.
Frangible - Wounding	Bullets cause target healing to be briefly delayed.
Frangible - Disabling	Bullets slow enemy movement and briefly disable tactical sprint when shooting legs.
Fully Loaded	Start with Maximum Reserve Ammo.
Focus	Increased control of aim while being shot.
Presence of Mind	Extended hold breath.
Recon	See enemy nameplates at greater distances.
Mo' Money	Earn additional XP for kills.
Burst	Changes fire mode to 3-round burst.
Burst Fire (x2)	Changes fire mode to 2-round burst.
Akimbo	Exclusive to pistols. Allows the player to hold two sidearms at once at the cost of an increased reload time and lack of Aim Down Sights ability.

Call of Duty: Black Ops Cold War

Tier 1 Perk
Name	Level	Description	Icon
Engineer	4	Detect enemy equipment and Scorestreaks through walls. See enemy Scorestreaks on your minimap. Re-roll Care Packages.
Paranoia	8	Hear an alert when an enemy aims at you. Your vision pulses if the enemy is outside of your view.
Flak Jacket	20	Take less damage from enemy explosives and Molotov and Combat Bow flames.
Tactical Mask	32	Maximized resistance to Flashbang and Stun Grenade. Immune to gas.
Forward Intel	44	See indicators for enemy reinforcements on your minimap. Minimap shows a larger area.
Tier 2 Perks
Name	Level	Description	Icon
Assassin	4	Enemies on a Killstreak have a crosshair indicator on your minimap. Receive extra Score for taking them down.
Gearhead	14	Reduce Field Upgrade cooldown. Store up to two Field Upgrade charges.
Scavenger	23	Replenish ammo from fallen players.
Quartermaster	35	Recharge Equipment over 25 seconds.
Tracker	48	See imprint of enemy footsteps. Aim at enemies to reveal them on your team's minimap.
Tier 3 Perks
Name	Level	Description	Icon
Gung-Ho	4	Fire your weapon and use Equipment while sprinting. Move at full speed when reloading. Switch weapons faster. Take less damage from falling. Fire more accurately while sliding.
Ghost	17	Undetectable by enemy Spy Planes whenever you are moving, planting or defusing bombs, or controlling Scorestreaks.
Cold Blooded	26	AI-controlled Scorestreaks will not target you, and player-controlled Scorestreaks will not highlight you. Show up cold on Thermal. Players in vehicles won't see your nameplate.
Ninja	38	Sprint more quietly. Resistant to Field Mic when sprinting. Speak only when necessary.
Spycraft	53	Hack enemy Field Upgrades. Immune to Counter Spy Plane, Jammer, Field Mic, Tracker, and Paranoia. Won't trigger Proximity Mines or Gas Mines. Booby trap enemy Care Packages.

Call of Duty: Vanguard

Tier 1 Perk
Name	Level	Description	Icon
Fortified	At start	Reduces damage from explosives by 15% and fire by 30%. Damage reduction for explosives doubled while mounted, crouched, or prone. Reduces health regen delay from explosives.
Dauntless	24	Immune to movement reducing and burning effects.
Overkill	32	Carry two primary weapons.
Ghost	36	Undetectable while moving by Spy Planes, enemy Intel, and Field Mics. Reduces the effectiveness of Local Informants.
Cold Blooded	46	AI-controlled killstreaks will not target you, and player-controlled killstreaks will not highlight you. You do not trigger High Alert. Reduces the range at which awareness markers appear for enemies.
Serpentine	-	Sprinting reduces incoming damage.
Armory	-	Use equipment faster. Your equipment is immune the Engineer perk and can't be hijacked or viewed through walls.
Tier 2 Perks
Name	Level	Description	Icon
Tracker	At start	Enemies leave behind a footprint trail. See markers at enemy death locations and hide the death markers of enemies you kill.
Radar	7	Enemies appear on your minimap when they fire an unsilenced weapon.
High Alert	17	Your vision pulses when enemies outside of you view see you.
Engineer	28	Detect enemy equipment, field upgrades, and killstreaks through walls. Mark them for your team by aiming down sights. Hack enemy equipment and field upgrades.
Forward Intel	40	See indicators for enemy reinforcements on your minimap. Minimap shows a larger area.
Piercing Vision	48	Sufficiently suppressed targets will be highlighted for a short time, rendering them visible through walls and obscuring effects.
Intuition	-	Your vision pulses when enemies are nearby, even through walls.
Tier 3 Perks
Name	Level	Description	Icon
Double Time	At start	Double the duration of Tactical Sprint. Increase crouch movement speed by 30%.
Survival Training	5	Maximized resistance to stun effects. Immune to gas.
Demolition	13	Extral lethal on spawn. Thrown lethals and tacticals display an indicator showing the path of the lethal or tacticals.
Ninja	15	Move silently. Take reduced damage when falling. Reduces the effectiveness of enemy Tracker perks.
Lightweight	21	Increases movement speed.
Tactician	44	Restock your tactical equipment every 30 seconds.
Scavenger	54	Replenish ammo from dead players.
Mechanic	-	Field Upgrades charge 20% faster.

Call of Duty: Modern Warfare II

Perks are split into three categories: Base Perks, Bonus Perks, and Ultimate Perks. Base perks are available at the start of matches. Bonus perks are enabled approximately two minutes into a match while Ultimate perks are enabled approximately four minutes into a match. Bonus and Ultimate perk enabling time can be sped up by getting kills and scoring points.

Basic Perks
Name	Level	Description	Icon
Double Time	At start	Double the duration of Tactical Sprint. Increase crouch movement speed by 30%.
Strong Arm	At start	See a preview of the trajectory for throw equipment.
Bomb Squad	11	Take reduced damage from non-Killstreak explosives. Reset fuze timers when picking up live grenades.
Extra Tactical	18	Spawn with one additional Tactical.
Overkill	21	Carry two primary weapons.
Scavenger	26	Resupply ammo and throwing knives from dead players.
Battle Hardened	37	Reduce the effect of enemy Flash, Stun, EMP, Gas Grenades, and Shock Sticks. Immune to Snapshot Grenades.
Tracker	39	Enemies leave behind a footprint trail, and enemy death markers are visible. Kill markers are hidden from the enemy team.
Bonus Perks
Name	Level	Description	Icon
Hardline	At start	Reduce Killstreak cost by one (1) kill. Reduce Scorestreak cost by 125.
Fast Hands	8	Reload, use equipment, and swap weapons faster.
Cold-Blooded	28	Undetectable by AI targeting systems, and thermal optics. Does not trigger High Alert warning. Does not highlight in enemy Tactical Cameras, Recon Drones, and Spotter Scopes.
Resupply	31	Spawn with an additional Lethal. Equipment recharges over 25 seconds.
Spotter	41	Spot enemy equipment, Field Upgrades, and Killstreaks through walls. Aiming down sights highlights them for the team. Hack enemy Claymores, Proximity Mines, C4, and Trophy Systems.
Focus	50	Reduce flinch when aiming down sights and extend Hold Breath duration.
Ultimate Perks
Name	Level	Description	Icon
Overclock	At start	Store an additional Field Upgrade charge. Increase Field Upgrade charge rate by 40%. ON-EARN: Get a Field Upgrade Charge.
High Alert	14	Vision pulses when spotted by an enemy player outside of view.
Survivor	34	On death, enter Last Stand with the ability to self-revive once per life. Teammates can revive downed players faster.
Quick Fix	44	Killing players immediately triggers health regeneration. Capturing and holding objectives increases health regeneration rate.
Bird's-Eye	47	The minimap is zoomed out. UAV and Radar pings reveal the enemy's direction. ON-EARN: Ping enemies on the minimap.
Ghost	52	Undetectable by UAVs, Portable Radars, and Heartbeat Sensors.

Call of Duty: Modern Warfare III

In Call of Duty: Modern Warfare III, the game doesn't feature traditional Tiered Perk categories, but presents a similar system in which it is divided into Vests, Gloves, Boots, and Gear.

Call of Duty: Black Ops 6

Tier 1 Perk
Name	Unlock	Description	Icon
Gung-Ho	At start	Improves Sprint and Tactical Sprint speeds while reloading or using equipment.
Dexterity	Level 20	Reduced weapon motion while jumping, sliding, and diving. Take less fall damage.
Scavenger	Level 26	Resupply ammo and equipment from killed enemies.
Close Shave	Via Armory	Automatically use your dedicated melee attack when you perform a weapon butt attack.
Ghost	Level 17	Undetectable by enemy Scout Pulse and UAV when moving, planting, defusing, or controlling Scorestreaks. Undetectable by Prox Alarm.
Ninja	Level 35	Move more quietly.
Flak Jacket	Level 8	Reduces incoming explosive and fire damage.
Tac Mask	Level 44	Resistance to enemy flash and concussion grenades and enemy Neuro Gas.
Tier 2 Perks
Name	Unlock	Description	Icon
Assassin	Level 5	Enemies on a kill streak get a unique minimap marker and drop Bounty Packs when killed. Pick up the Packs for more Score.
Bruiser	Level 53	Melee kills and finishing moves replenish health and earn extra score.
Hunter's Instinct	Via Armory	Killing an enemy marks the next closest enemy.
Engineer	At start	See enemy Equipment and Scorestreaks through walls and enemy Scorestreak icons on the minimap.
Tracker	Level 29	See enemy footsteps. ADSing auto-pings enemies.
Forward Intel	Level 47	Increases minimap area and shows direction indicators for revealed enemies.
Vendetta	Via Armory	On respawn, mark your killer's last known position for a short duration. Get a bonus score for eliminating that enemy. The Vigilance Perk counters being marked by Vendetta.
Dispatcher	Level 11	Reduces score cost for non-lethal Scorestreaks. Stacks with Bankroll.
Fast Hands	Level 38	Swap weapons faster and extend fuses when throwing back grenades.
Shadow	Via Armory	Undetectable to enemy traps and mines.
Tier 3 Perks
Name	Unlock	Description	Icon
Double Time	Level 14	Greatly increased duration of Tactical Sprint.
Bankroll	Level 23	Start each life with +150 score toward Scorestreaks.
Slipstream	Via Armory	Raises your base sprint speed at the cost of removing Tac Sprint.
Vigilance	Level 6	Display a HUD icon whenever you appear on enemy minimaps. Immune to CUAV and Scrambler. Immune to Sleeper Agent.
Cold-Blooded	Level 41	Undetectable by AI targeting and thermal optics. Player-controlled Scorestreaks don’t highlight you.
Shrapnel Radar	Via Armory	Dealing non-Lethal explosive damage to enemies reveals them on your minimap.
Quartermaster	At start	Recharge Equipment uses over time.
Guardian	Level 32	Faster healing while capturing and holding objectives. Revive downed teammates faster.
Gearhead	Level 50	Two Field Upgrade charges and increased charge rate. Hack enemy Equipment and Field Upgrades. Booby trap Care Packages.

Trivia

• In Call of Duty 4: Modern Warfare, the Tier 1 perks originally appeared after Tier 3 perks.
• In Call of Duty 4: Modern Warfare, Call of Duty: Modern Warfare Remastered, and World at War, it is possible to empty the player's Tier 1 perk slot by attaching a grenade launcher or a grip to a weapon and then removing it.
• If players unlock the Pro version of a Perk in Call of Duty: Modern Warfare 2 and Modern Warfare 3, the Perk will change automatically during the game and so players don't have to change the perk in the Create-A-Class menu. In Black Ops, players have to buy it.
• Pro perks all have stars as the background of the perk's icon, superimposing the graphic on top of it.
• If watching someone in the Killcam in Call of Duty: Modern Warfare 2, the text by each perk will not say that the perk is Pro unless the killed player has the Pro version of each respective perk. However, the pictures have the star background showing that the perk is Pro.
• In Call of Duty: World at War, Tier 1 perks were originally green-colored. The green color for early World at War perks is brighter than the color of Call of Duty 4 Tier 3 perks. Also, the bright green color was used for cut squad perks such as All Seeing Eye and Commanding Squad Leader.
• Dead Man's Hand was originally going to appear in Modern Warfare 2, but was cut for unknown reason.
• In Modern Warfare Remastered, it is possible to have no perks on a class. Players must prestige, and their new class is given without any perk equipped.