The CODEX crack removes the Steam overlay and DRM checks. You will see slightly faster load times between menus and during wrestler selection in the modded "Universe" mode.
Modding the Codex version typically involves handling .pac files. Here is the general workflow: wwe 2k19 codex modding
The story of a CODEX modder typically follows a specific ritual to bypass the limitations of a non-Steam executable while still using professional-grade tools like Custom Character Tools (CCT) Data Editor The "Two-EXE" Trick The CODEX crack removes the Steam overlay and DRM checks
Import your mods (character .pac files, renders, etc.) and use to regenerate the Chunk0.arc file. wwe 2k19 codex modding
CODEX saves are usually located in %SystemDrive%\Users\Public\Documents\Steam\CODEX\712530 . If you install a mod that changes the "Data Editor" profiles, you may need to back up this folder.