Unlockable story modes:
Complete previous story mode
Silver Story mode Complete Bronze Story Mode
Gold story mode Complete Silver story modeUnlock Silver Story Mode:Go to the in-game cheats menu and input this code: 486739
Unlockable story modes:
Complete previous story mode
Silver Story mode Complete Bronze Story Mode
Gold story mode Complete Silver story modeUnlock Silver Story Mode:Go to the in-game cheats menu and input this code: 486739