The Codex is a series of entries for background information in Doom (2016) and Doom Eternal.
Doom (2016) Entries
Doom Eternal Entries
- Codex/Story of Earth
- Codex/Story of the Sentinels
- Codex/Story of Hell
- Codex/Story of the Maykrs
- Codex/Book of the Seraphs
- Codex/Demons
- Codex/Arsenal
- Codex/Tutorials
The Ancient Gods - Part One
The Ancient Gods - Part Two
- Codex/Story of Earth
- Codex/Story of the Sentinels
- Codex/Story of Hell
- Codex/Characters and Locations
Related achievements/trophies
| Icon | Name | Description | Gamer Score | Trophy |
|---|---|---|---|---|
| - | If Only I Could Read… | Collect all physical Codex pages in a single save slot. | - | - |