The term "Codex" can refer to several different entities in the gaming world:
: CODEX was a famous group known for cracking digital rights management (DRM) on PC games from 2014 until their retirement in early 2022. Codex Games - 3 (Currently there are 337 games ...
: There are independent studios such as Rad Codex and Dark Codex that develop and publish their own titles. Codex Games - Steam Curator The term "Codex" can refer to several different
: Many RPGs and strategy games (like Mass Effect or Warhammer 40k) include a "Codex," which is an in-game encyclopedia of lore, characters, and world-building information. Codex Games - 3 (Currently there are 337 games ...
The phrase "Codex Games - 3 (Currently there are 337 games...)" likely refers to a curated list of video games, such as those found on the page.