Defeat the fourth boss in Twin Cobra without assistance
Defeat the ninth boss in Twin Cobra
Complete the game in co-op using only one credit each without assistance
Defeat the eighth boss in Twin Cobra without assistance
Defeat the second boss in Twin Cobra without assistance
First death of many achieved
Upgrade any weapon to the max
Defeat the sixth boss in Twin Cobra without assistance
Defeat the second boss in Kyuukyoku Tiger
Defeat the sixth boss in Kyuukyoku Tiger without assistance
Defeat the fourth boss in Kyuukyoku Tiger without assistance
Defeat the last boss in Twin Cobra
End the existence of the ninth boss in co-op
Defeat the third boss in Twin Cobra
Defeat the third boss in Kyuukyoku Tiger without assistance
Crush the spirit of life out of the second boss in co-op
Defeat the first boss in Twin Cobra
Play a hundred games
Defeat the end boss in Twin Cobra without assistance
Blow the first boss into dust in co-op
Defeat the first boss in Kyuukyoku Tiger
Put the fourth boss six feet under in co-op without assistance
Leave the eighth boss in the ocean in co-op
Upgrade your weapons one time
Complete the game using only one credit in Kyuukyoku Tiger without assistance
Complete the game using only one credit without assistance
Defeat the fifth boss in Kyuukyoku Tiger
Complete the game using only one credit
Return the third boss to its maker in co-op without assistance
Defeat the eighth boss in Kyuukyoku Tiger
Return the third boss to its maker in co-op
Complete the game in co-op using only one credit each
Defeat the fourth boss in Twin Cobra
Show the seventh boss its ending cutscene in co-op
Deal with the sixth boss in co-op
Defeat the end boss in Kyuukyoku Tiger
Defeat the fifth boss in Twin Cobra without assistance
Defeat the seventh boss in Kyuukyoku Tiger
Defeat the first boss in Twin Cobra without assistance
Defeat the first boss in Kyuukyoku Tiger without assistance
Blow the first boss into dust in co-op without assistance
Show the seventh boss its ending cutscene in co-op without assistance
Defeat the eighth in Kyuukyoku Tiger without assistance
Defeat the ninth boss in Kyuukyoku Tiger
Defeat the third boss in Twin Cobra without assistance
Defeat the second boss in Twin Cobra
Put the fourth boss six feet under in co-op
Defeat the ninth boss in Kyuukyoku Tiger without assistance
Turn the fifth boss into shards in co-op
Defeat the seventh boss in Kyuukyoku Tiger without assistance
Turn the fifth boss into shards in co-op without assistance
Defeat the eighth boss in Twin Cobra
Defeat the fifth boss in Twin Cobra
Defeat the third boss in Kyuukyoku Tiger
Upgrade your weapons a thousand times
Defeat the end boss in Kyuukyoku Tiger without assistance
Defeat the fifth boss in Kyuukyoku Tiger without assistance
Complete the game in co-op without assistance
Defeat the sixth boss in Kyuukyoku Tiger
Defeat the fourth boss in Kyuukyoku Tiger
Deal with the sixth boss in co-op without assistance
Defeat the seventh boss in Twin Cobra
Defeat the sixth boss in Twin Cobra
Shoot one million bullets
Complete the game in co-op
Defeat the seventh boss in Twin Cobra without assistance
Defeat the ninth boss in Twin Cobra without assistance
Defeat the second boss in Kyuukyoku Tiger without assistance
Accumulate a thousand deaths
End the existence of the ninth boss in co-op without assistance
Complete the game using only one credit in Kyuukyoku Tiger
Crush the spirit of life out of the second boss in co-op without assistance
Leave the eighth boss in the ocean in co-op without assistance