Zero Wing
Arcade Style Seventh Boss in 2P
Eliminate the seventh boss without assistance in 2P single player
A Hundred Games Played
Play a hundred games
Defeat Tenth Mini Boss in 2P
Send the tenth mini boss to hell in 2P single player
Defeat Third Boss in 2P
Return the third boss to its maker in 2P single player
Defeat First Boss
Turn the first boss in the game into dust
Arcade Style Eighth Boss in 2P
Eliminate the eight boss without assistance in 2P single player
Arcade Style Fifth Mini Boss
Void the fifth mini boss's lifetime warranty without assistance
Defeat Third Boss
Return the third boss to its maker
Arcade Style Fifth Mini Boss in 2P
Void the fifth mini boss's lifetime warranty without assistance in 2P single player
Defeat Third Mini Boss
Help the third mini boss cross the rainbow bridge
Defeat Second Boss
Crush the spirit of life out of the second boss
First Death
You have achieved your first of many losses to come
Defeat Fourth Mini Boss
Rob the fourth mini boss of its last 1-Up
Arcade Style Second Mini Boss in 2P
Pump the second mini boss full of lead without assistance in 2P single player
Arcade Style Third Boss in 2P
Eliminate the third boss without assistance in 2P single player
Nice Guns
Upgrade your weapons one time
Defeat Second Mini Boss
Pump the second mini boss full of lead
Arcade Style Tenth Mini Boss
Send the tenth mini boss to hell without assistance in 2P single player
Defeat First Mini Boss
Show the first mini boss who's in charge
Maximum Power
Upgrade your weapon to the max
Defeat Second Mini Boss in 2P
Pump the second mini boss full of lead in 2P single player
Defeat Seventh Mini Boss
Make the seventh mini boss past tense
Defeat Fourth Boss
Put the fourth boss six feet under
Defeat First Boss in 2P
Turn the first boss in the game into dust in 2P single player
Defeat Eighth Mini Boss
Diagnose the eighth mini boss with death
Defeat Eighth Mini Boss in 2P
Diagnose the eighth mini boss with death in 2P single player
Defeat Fifth Boss in 2P
Turn the fifth boss into shards in 2P single player
Defeat Ninth Mini Boss
Put the ninth mini boss out of its misery
Arcade Style Seventh Mini Boss in 2P
Make the seventh mini boss past tense without assistance in 2P single player
Arcade Style Fourth Mini Boss in 2P
Rob the fourth mini boss of its last 1-Up without assistance in 2P single player
Arcade Style Fifth Boss in 2P
Eliminate the fifth boss without assistance in 2P single player
Defeat Seventh Mini Boss in 2P
Make the seventh mini boss past tense in 2P single player
Defeat Fifth Boss
Turn the fifth boss into shards
Defeat Sixth Mini Boss
Pull the plug on the sixth mini boss
Defeat Ninth Mini Boss in 2P
Put the ninth mini boss out of its misery in 2P single player
Ten Thousand Enemies
Obliterate ten thousand enemies
Arcade Style Eighth Mini Boss in 2P
Diagnose the eighth mini boss with death without assistance in 2P single player
Arcade Style Third Boss
Eliminate the third boss without assistance
Defeat Seventh Boss
Show the seventh boss its ending cutscene
Arcade Style Sixth Boss
Eliminate the sixth boss without assistance
Defeat First Mini Boss in 2P
Show the first mini boss who's in charge in 2P single player
Defeat Fourth Mini Boss in 2P
Rob the fourth mini boss of its last 1-Up in 2P single player
Arcade Style Ninth Mini Boss in 2P
Put the ninth mini boss out of its misery without assistance in 2P single player
Arcade Style First Mini Boss
Show the first mini boss who's in charge without assistance
Arcade Style Fifth Boss
Eliminate the fifth boss without assistance
Defeat Eighth Boss
Leave the eighth boss in the ocean
Arcade Style Seventh Boss
Eliminate the seventh boss without assistance
Defeat Seventh Boss in 2P
Show the seventh boss its ending cutscene in 2P single player
Defeat Second Boss in 2P
Crush the spirit of life out of the second boss in 2P single player
Cut by a Thousand Deaths
Lose a thousand times
Defeat Tenth Mini Boss
Send the tenth mini boss to hell
Arcade Style Ninth Boss
Eliminate the ninth boss without assistance
Upgrade Master
Upgrade your weapon a thousand times
Co-Op Star
Play a hundred co-op games
Million Bullet March
Fire one million bullets of any kind
Arcade Style Seventh Mini Boss
Make the seventh mini boss past tense without assistance
Arcade Style Eight Boss
Eliminate the eight boss without assistance
Arcade Style Fourth Mini Boss
Rob the fourth mini boss of its last 1-Up without assistance
Arcade Style Double Credit Playthrough
Complete the game in co-op using only one credit each without assistance
Bomb Pro
Pick up one hundred bombs
Defeat Third Mini Boss in 2P
Help the third mini boss cross the rainbow bridge in 2P single player
Arcade Style Third Mini Boss
Help the third mini boss cross the rainbow bridge without assistance
Arcade Style Single Credit Playthrough
Complete the game using only one credit without assistance
Tractor 1K
Seize a thousand enemies
Defeat Fourth Boss in 2P
Put the fourth boss six feet under in 2P single player
Arcade Style First Boss in 2P
Eliminate the first boss without assistance in 2P single player
Arcade Style Eighth Mini Boss
Diagnose the eighth mini boss with death without assistance
Co-Op Curious
Try a full co-op game
Arcade Style Ninth Mini Boss
Put the ninth mini boss out of its misery without assistance
Defeat Ninth Boss
End the existence of the ninth boss
Arcade Style Tenth Mini Boss
Send the tenth mini boss to hell without assistance
Arcade Style Second Mini Boss
Pump the second mini boss full of lead without assistance
Arcade Style Second Boss
Eliminate the second boss without assistance
Defeat Sixth Boss in 2P
Deal with the sixth boss in 2P single player
Arcade Style Sixth Mini Boss
Pull the plug on the sixth mini boss without assistance
Arcade Style Second Boss in 2P
Eliminate the second boss without assistance in 2P single player
Arcade Style Sixth Mini Boss in 2P
Pull the plug on the sixth mini boss without assistance in 2P single player
Defeat Sixth Mini Boss in 2P
Pull the plug on the sixth mini boss in 2P single player
Arcade Style Third Mini Boss in 2P
Help the third mini boss cross the rainbow bridge without assistance in 2P single player
Single Credit Playthrough
Complete the game using only one credit
Defeat Sixth Boss
Deal with the sixth boss
Double Credit Playthrough
Complete the game in co-op using only one credit each
Defeat Fifth Mini Boss in 2P
Void the fifth mini boss's lifetime warranty in 2P single player
Arcade Style Fourth Boss
Eliminate the fourth boss without assistance
Arcade Style First Mini Boss in 2P
Show the first mini boss who's in charge without assistance in 2P single player
Defeat Fifth Mini Boss
Void the fifth mini boss's lifetime warranty
Arcade Style First Boss
Eliminate the first boss without assistance
Arcade Style Ninth Boss in 2P
Eliminate the ninth boss without assistance in 2P single player
Defeat Eighth Boss in 2P
Leave the eighth boss in the ocean in 2P single player
Single Credit Playthrough in 2P
Complete the game using only one credit in 2P single player
Arcade Style Single Credit Playthrough in 2P
Complete the game using only one credit in 2P single player without assistance
Got Bomb?
Pick up a bomb
Arcade Style Sixth Boss in 2P
Eliminate the sixth boss without assistance in 2P single player
Arcade Style Fourth Boss in 2P
Eliminate the fourth boss without assistance in 2P single player
Defeat Ninth Boss in 2P
End the existence of the ninth boss in 2P single player