Standard mods for SoD1 involve editing the game.bin or extracting .pak archives to modify XML files governing game logic (e.g., weapon damage, loot tables, facility stats). This is a static process; changes are hard-coded into the files and persist across saves.
Because these menus are dynamic, installation differs from standard .pak mods. Here is a generic, safe guide:
To understand the functionality of an "exclusive" mod menu, one must distinguish between two primary methods of modding SoD1.