Atari, Nicalis, SEGA, Treasure, ESP Software

TREASURE Co.,Ltd.

Action, Shooter, Indie

2D, Full controller support, Steam Achievements, Steam Cloud, Steam Leaderboards, Bullet Hell, Classic, Controller, Co-op, Difficult, Great Soundtrack, Local Co-Op, Local Multiplayer, Multiplayer, Retro, Sci-fi, Shoot 'Em Up, Singleplayer, Space, Split Screen, cooperative, steam-trading-cards