Enter one of the following codes at the character selection screen to play as the corresponding Boss:
BOSS
Cheat Code
Anil 8 [Up], [Right], [Down], [Right], [Right], [Up], [Left], [Up]
Assault [Right], [Up], [Up], [Right], [Down], [Right], [Up], [Up]
Mayhem [Left], [Right], [Down], [Left], [Up], [Left], [Down], [Left], [Down]
Supervisor [Down], [Right], [Down], [Up], [Right], [Down], [Left], [Down], [Up], [Right], [Up]
Vitriol [Right], [Right], [Right], [Up], [Up], [Down], [Left], [Left], [Down], [Down]