PLEASE NOTE: We take no responsibility for any changes you make to your hardware, software, drivers or O/S as a result of the cheats listed here. Only a few of the cheats listed have been tested and we cannot guarantee any of them will work. If you come across a bad/non-working cheat, please let us know and we will remove it.
Finish the game on Hard difficulty.
New Characters (Monsters and Allies)
Finish Time Attack mode multiple times to unlock new characters or donate gems in story mode to the laboratory.
Time Attack Mode
Finish the game on Normal difficulty.