Fg-optional-mp-zombie-04.bin

I can give you more specific troubleshooting steps for that game.

fg-optional-mp-zombie-04.bin is an used in FitGirl repacks, typically for Call of Duty games, that contains specific assets for multiplayer or zombie modes. fg-optional-mp-zombie-04.bin

If you try to launch zombies or multiplayer without this file, the game will likely close or throw an error indicating missing content. I can give you more specific troubleshooting steps

It holds data required for "Zombie" or "MP" (Multiplayer) modes. typically for Call of Duty games