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ARTICLE | ![]() |
ADVANCED STATS |

- "Is that a living experiement[sic]?! I didn't think they were real!
Take them out before they heal the enemies around them!" - ―Commander dialogue on Wave 16 (Intermediate)
Description
The Living Experiment is an enemy that appears in Intermediate and Mid Rank PVP Test modes. It has a high amount of health, a below average speed and a decent amount of defense. Additionally, when it first spawns, it is a boss enemy, making it fully or partially immune to multiple forms of stalling. On some waves, it also spawns with various immunities, making it harder to kill.
Due to a bug, Living Experiments with the Slime attribute do not spawn the Slime upon death.
Appearance
The Living Experiment is a large humanoid with a waist, lower arms and lower legs in its rig. It has a light green skin color, and wears a tattered light blue hospital gown with a stitched seam going down the back, white bandages wrapped across its torso and metal plating with a glowing green piston on its back.
It has a thin right arm with an armband with chains on it, as well as a large bionic arm with multiple glowing green pistons and a green glass container. It also has a large metal neck-guard with glowing green parts, as well as glowing green eyes, patches of black hair and a metal device with green lights and light brown stitch lines surrounding it on its head.
It has a death animation, where it falls forward, with its bionic arm completely detaching in the process. The death animation is also accompanied by a sound, consisting of it grunting and metal thumping noises.
Strategy
- High DPS, like the Minigunner, Military Base or Accelerator are recommended against this.
- On its debut wave, the Living Experiment is surrounded by a hordes of Armored and Skeleton, which can be incredibly problematic.
- Crowd control towers like the Pyromancer, Rocketeer, or Mortar can excel at clearing out the hordes, allowing DPS towers to focus on the Living Experiment itself.
- As the Living Experiment has defense, you can use splash towers like the Rocketeer or Mortar to deal with this.
- They can also be useful at clearing out the hordes of enemies that appear alongside it.
- Defense dropping towers, like the Pyromancer or Freezer can be used to reduce its defense, allowing your towers to deal more damage to it.
Gallery
Corpse Variants
Thumbnails
Promotional Videos
Miscellaneous
Trivia
- Despite the Commander stating that the Living Experiment can heal enemies around it, it has no such ability.
Update History
- 3 May 2024 - v1.20.0
- 10 May 2024 - v1.21.0
- Living Experiment is now immune to the fallout damage from the Nuke while it is a boss enemy.
- 18 May 2024 - v1.22.0
- Living Experiment is now immune to knockback while it is a boss enemy.
- 28 August 2024 - v1.29.0
- Bug: Can be slowed down by the DJ Booth while a boss.
- 31 August 2024 - v1.29.7
- Bugfix: No longer can be slowed down by the DJ Booth while a boss.
- 6 November 2024 - v1.40.0
- 16 December 2024 - v1.46.0
- Bug: Living Experiment's animations do not play properly in the Index.
- 9 April 2025 - v1.60.0
- Now appears in Mid Rank PVP Test, where it has 3,000 health.
Notes
- ↑ Applies only to the Living Experiment on Wave 16 in Intermediate mode.
Intermediate | ||
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Previous Debut | Current Debut | Next Debut |
Necromancer & Reaver Wave 14 |
Living Experiment Wave 16 |
Hazmat Wave 17 |
Mid Rank PVP Test | ||
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Previous Debut | Current Debut | Next Debut |
Reaver & Necromancer Wave 14 |
Living Experiment Wave 16 |
Hazmat Wave 17 |
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Sandbox Only Enemies | ||
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Legacy Molten Mode | Normal • Speedy • Slow • Normal Boss • Hidden • Mystery • Necromancer • Molten • Slow Boss • Hidden Boss • Shock • Speedy Boss • Mystery Boss • Mystery Summoner • Molten Titan • Molten Boss | |
Golden Mode | Abnormal • Quick • Heavy • Abnormal Boss • Shadow • Mystery • Dark Necromancer • Golden • Chained Boss • Shadow Boss • Charge • Tank • Mystery Boss • Boomer • Summoner Boss • 24 Karat • Gold Guard • Gold Titan | |
Legacy Fallen Mode | Abnormal • Quick • Heavy • Abnormal Boss • Shadow • Mystery • Dark Necromancer • Fallen • Giant Boss • Shadow Boss • Glitch • Hazard • Tank • Mystery Boss • Boomer • Templar • Summoner Boss • Error • Fallen Hero • Fallen Guardian • Fallen King | |
Brain Rot | Toilet • Streamer • Chad • Metal Toilet • Ninja Toilet • Png Bot2 • Png Bot • Brick Man • Megatron Toilet • Pro Streamer • Arrow • Png Bot4 • Png Bot3 • Toilet Boss | |
Other | Slime |
Legacy Enemies | ||
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Replaced | Blighted • Boomer 1 • Necromancer 2 • Mystery 2 • Gravekeeper • Super Mystery • Ultra Mystery • Uber Mystery • Ninja • Frost Hero • Strong | |
Pre-MEGA | Carrier • Swarm • Tank 2 • Boomer 2 • Controlled • Shrike Crystal • Rusted • Witch Doctor • Tombstone • Frozen • Deep Freeze • Frost Hero | |
Polluted Wasteland | Radioactive • Wasted Boss • Amalgamation • Rusher • Splitter • Split • Nuclear Fallen King | |
Hidden Wave (Legacy) | Glitched Giant • Bug • Bruh • SCT • Jaxe • Mechanical Rot • Frost Hero • Developer 1 • Developer 2 • Developer 3 • Creator • A • B • C | |
Other | Void • First Form • Imposter |