Arcade Style Eighth Mini Boss
Not unlocked yetDiagnose the eighth mini boss with death without assistance
Arcade Style Ninth Mini Boss
Not unlocked yetPut the ninth mini boss out of its misery without assistance
Arcade Style Tenth Mini Boss
Not unlocked yetSend the tenth mini boss to hell without assistance
Defeat First Boss in 2P
Not unlocked yetTurn the first boss in the game into dust in 2P single player
Defeat Second Boss in 2P
Not unlocked yetCrush the spirit of life out of the second boss in 2P single player
Defeat Third Boss in 2P
Not unlocked yetReturn the third boss to its maker in 2P single player
Defeat Fourth Boss in 2P
Not unlocked yetPut the fourth boss six feet under in 2P single player
Defeat Fifth Boss in 2P
Not unlocked yetTurn the fifth boss into shards in 2P single player
Defeat Sixth Boss in 2P
Not unlocked yetDeal with the sixth boss in 2P single player
Defeat Seventh Boss in 2P
Not unlocked yetShow the seventh boss its ending cutscene in 2P single player
Defeat Eighth Boss in 2P
Not unlocked yetLeave the eighth boss in the ocean in 2P single player
Defeat Ninth Boss in 2P
Not unlocked yetEnd the existence of the ninth boss in 2P single player
Arcade Style First Boss in 2P
Not unlocked yetEliminate the first boss without assistance in 2P single player
Arcade Style Second Boss in 2P
Not unlocked yetEliminate the second boss without assistance in 2P single player
Arcade Style Third Boss in 2P
Not unlocked yetEliminate the third boss without assistance in 2P single player
Arcade Style Fourth Boss in 2P
Not unlocked yetEliminate the fourth boss without assistance in 2P single player
Arcade Style Fifth Boss in 2P
Not unlocked yetEliminate the fifth boss without assistance in 2P single player
Arcade Style Sixth Boss in 2P
Not unlocked yetEliminate the sixth boss without assistance in 2P single player
Arcade Style Seventh Boss in 2P
Not unlocked yetEliminate the seventh boss without assistance in 2P single player
Arcade Style Eighth Boss in 2P
Not unlocked yetEliminate the eight boss without assistance in 2P single player
Arcade Style Ninth Boss in 2P
Not unlocked yetEliminate the ninth boss without assistance in 2P single player
Defeat First Mini Boss in 2P
Not unlocked yetShow the first mini boss who's in charge in 2P single player
Defeat Second Mini Boss in 2P
Not unlocked yetPump the second mini boss full of lead in 2P single player
Defeat Third Mini Boss in 2P
Not unlocked yetHelp the third mini boss cross the rainbow bridge in 2P single player