Family Guy: Back to the Multiverse Cheats for PlayStation 3
Select 'Options' at the 'Main' menu followed by 'Cheat'. Then enter one of the following codes (without the quotes) to activate the corresponding effect. Note: when codes have been enabled you will not be able to save the game.
Enter the code 'RMTE'
Unlock ALL Characters in Multiplayer Mode:
Enter the code 'CAST'
Unlock ALL Costumes:
Enter the code 'WRDB'
One Shot Kills:
Enter the code 'MNKY'
Unlock ALL Weapons in Multiplayer Mode:
Enter the code 'DKSD'
Unlock ALL Weapons in Single-Player Mode:
Enter the code 'GTSM'
Enter the code 'PWTR'
Enter the code 'GGTY'
At the 'Cheat' menu enter the case sensitive code 'CAST' (without the quotes) to unlock ALL the characters in Multiplayer mode.