Successfully complete the game in mayhem mode to unlock the House Robots.
Play as 101Defeat 101 in championship mode to unlock 101.
Play as BehemothDefeat Behemoth in championship mode to unlock Behemoth.
Play as Cassius IIDefeat Cassius II in championship mode to unlock Cassius II.
Play as Chaos 2Defeat Chaos 2 in championship mode to unlock Chaos 2.
Play as Hypno-DiscDefeat Hypno-Disc in championship mode to unlock Hypno-Disc.
Play as MortisDefeat Mortis in championship mode to unlock Mortis.
Play as OnslaughtDefeat Onslaught in championship mode to unlock Onslaught.
Play as Panic AttackDefeat Panic Attack in championship mode to unlock Panic Attack.
Play as Plunderbird 4Defeat Plunderbird 4 in championship mode to unlock Plunderbird 4.
Play as PussycatDefeat Pussycat in championship mode to unlock Pussycat.
Play as RazerDefeat Razer in championship mode to unlock Razer.
Play as StingerDefeat Stinger in championship mode to unlock Stinger.
Play as TerrorhurtzDefeat Terrorhurtz in championship mode to unlock Terrorhurtz.
Robot Mayhem modeWait for other Robots to appear so they can fight each other. Push disabled Robots into the pit.
Easy winIf you are playing as a Robot with a flipper (such as Behemoth, Chaos 2, Panic Attack), drive in front of the robot. Flip them once, and they will use their Shremec to self-right. Keep flipping them until they die.
