If you are using the CODEX release specifically, you can manage certain game settings externally:

Online multiplayer now supports up to 16 players across seven different modes.

You can change the game's language by editing the steam_emu.ini file located in the game directory.

The game supports native 4K resolution and HDR on compatible hardware.

A built-in photo mode allows you to pause the action, adjust camera angles, apply filters, and capture high-detail shots, including X-Ray kill cam moments.

For this specific version, save files are typically stored in: Users\Public\Documents\Steam\CODEX\728740 .