Playable Characters

All of these characters are obtained through beating story mode and Arcade mode.
You can obtain the silhouette for most of these characters by playing story mode or you can just beat Arcade mode twice with each character.
Unlockable              How to Unlock
Atlantis                Beat Arcade mode w/ Robin Mask
Blackhole               Beat Arcade mode w/ Pentagon
Checkmate               Beat Arcade mode w/ Sunshine
Junkman                 Beat Arcade mode w/ Junkman
Mr Kamen                Beat Arcade mode w/ Ramenman
Planetsman              Beat Arcade mode w/ Warsman
Springman               Beat Arcade mode w/ Wolfman
Stecase King            Beat Arcade mode w/ Kinnikuman
Sunigator               Beat Arcade mode w/ Ashuraman
The Mountain            Beat Arcade mode w/ Terryman