Arcade Style Sixth Boss Co-Op
Not unlocked yetEmerge victorious from the sixth boss battle in co-op without assistance
Arcade Style Co-Op Completion
Not unlocked yetComplete the game in co-op without assistance
Defeat First Boss in Hard Co-Op Version
Not unlocked yetTurn the first boss in the hard version into dust in co-op
Defeat Second Boss in Hard Co-Op Version
Not unlocked yetCrush the spirit of life out of the second boss in the hard version in co-op
Defeat Third Boss in Hard Co-Op Version
Not unlocked yetReturn the third boss in the hard version to its maker in co-op
Defeat Fourth Boss in Hard Co-Op Version
Not unlocked yetPut the fourth boss six feet under in the hard version in co-op
Defeat Fifth Boss in Hard Co-Op Version
Not unlocked yetTurn the fifth boss into shards in the hard version in co-op
Defeat Sixth Boss in Hard Co-Op Version
Not unlocked yetDeal with the sixth boss in the hard version in co-op
Complete Hard Co-Op Version
Not unlocked yetComplete the hard version of the game in co-op
Arcade Style Hard Co-Op First Boss
Not unlocked yetEliminate the first boss in the hard co-op version without assistance
Arcade Style Hard Co-Op Second Boss
Not unlocked yetEliminate the second boss in the hard co-op version without assistance
Arcade Style Hard Co-Op Third Boss
Not unlocked yetEliminate the third boss in the hard co-op version without assistance
Arcade Style Hard Co-Op Fourth Boss
Not unlocked yetEliminate the fourth boss in the hard co-op version without assistance
Arcade Style Hard Co-Op Fifth Boss
Not unlocked yetEliminate the fifth boss in the hard co-op version without assistance
Arcade Style Hard Co-Op Sixth Boss
Not unlocked yetEliminate the sixth boss in the hard co-op version without assistance
Arcade Style Hard Co-Op Game Completion
Not unlocked yetComplete the hard co-op version of the game without assistance
Single Credit Playthrough
Not unlocked yetComplete the game using only one credit
Arcade Style Single Credit Playthrough
Not unlocked yetComplete the game using only one credit without assistance
Single Credit Playthrough Hard
Not unlocked yetComplete the game using only one credit in the hard version
Arcade Style Single Credit Playthrough Hard
Not unlocked yetComplete the game using only one credit in the hard version without assistance
Double Credit Playthrough
Not unlocked yetComplete the game in co-op using only one credit each
Arcade Style Double Credit Playthrough
Not unlocked yetComplete the game in co-op using only one credit each without assistance
Double Credit Playthrough Hard
Not unlocked yetComplete the game in co-op hard using only one credit each
Arcade Style Double Credit Playthrough
Not unlocked yetComplete the game in co-op hard using only one credit each without assistance