In the "code input" option, unlock the following characters entering these codes:
Autobot Silverbolt
10141
Decepticon Ramjet
99871
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.
Autobot Air Raid
Defeat him in Streets stage #6 (Arena stage #18)
Autobot Grimlock
Defeat him in Purification stage #6 (Arena stage #30)
Autobot Hot Rod
Defeat him in Dam stage #6 (Arena stage #24)
Autobot Jazz
Defeat him in Stadium stage #6 (Arena stage #6)
Autobot Ultra Magnus
Defeat him in Sewers stage #6 (Arena stage #12)
Decepticon Barricade
Defeat him in Stadium stage #6 (Arena stage #6)
Decepticon Breakdown
Defeat him in Dam stage #6 (Arena stage #24)
Decepticon Cyclonus
Defeat him in Streets stage #6 (Arena stage #18)
Decepticon Motormaster
Defeat him in Sewers stage #6 (Arena stage #12)
Decepticon Shockwave
Defeat him in Purification stage #6 (Arena stage #30)
