The CODEX patch is a highly anticipated release for fans of the Game of the YoRHa Edition. This patch includes a range of fixes and improvements, including:

In the context of the keyword provided, "CODEX" identifies the group that "cracked" the game's Digital Rights Management (DRM)—typically —to allow the game to run without an official license or launcher.

Square Enix finally released a patch that added borderless video, improved the frame pacing, and fixed the infamous "white screen" crash. The CODEX version crashes at the end of Route A for many users. The official version does not.

Valve’s Proton compatibility layer makes the official version run flawlessly on Linux/Steam Deck. The CODEX crack, however, relies on old emulation hooks that cause the game to freeze on loading screens on Steam Deck.