Unlock All Bonus Stages
Successfully complete the Story mode to unlock the following eight stages:
A.I.M.Brella – Laboratory Pathway
Abel City – Sigma's Lab
Avengers Tower – Lab
Dark Kingdom – Wastelands
Knowmoon – Gravitron Core
Knowmoon – Walkway
Xgard – Bifrost Bridge
Xgard – Underground Prison
Unlock All Bonus Colors
To unlock all characters' third and fourth colors, complete arcade mode with any two characters to unlock their third color.
Then, beat the arcade mode again with the same two characters to unlock their fourth color.