Passwords
In the code input option unlock the following characters entering these codes
Unlock secret characters in the Arena
Beating bosses in the arena unlock these bosses as playable characters Note You must play the boss stage with autobots to unlock the autobot boss and with decepticons to unlock the decepticon boss
UnlockableHow to unlockAutobot Air RaidDefeat him in Streets stage 6 Arena stage 18Autobot GrimlockDefeat him in Purification stage 6 Arena stage 30Autobot Hot RodDefeat him in Dam stage 6 Arena stage 24Autobot JazzDefeat him in Stadium stage 6 Arena stage 6Autobot Ultra MagnusDefeat him in Sewers stage 6 Arena stage 12Decepticon BarricadeDefeat him in Stadium stage 6 Arena stage 6Decepticon BreakdownDefeat him in Dam stage 6 Arena stage 24Decepticon CyclonusDefeat him in Streets stage 6 Arena stage 18Decepticon MotormasterDefeat him in Sewers stage 6 Arena stage 12Decepticon ShockwaveDefeat him in Purification stage 6 Arena stage 30