Aspyr, Activision Blizzard, Sierra Entertainment, Sierra Games

Activision, Lucid Games, Sierra Entertainment, Lucid Games Ltd., Aspyr Media

Action, Shooter, Arcade

Full controller support, Steam Achievements, Steam Leaderboards, Bullet Hell, Great Soundtrack, Local Co-Op, Local Multiplayer, Multiplayer, Shoot 'Em Up, Singleplayer, Split Screen, Twin Stick Shooter, cooperative