First Death
You have achieved your first of many losses to come
A Hundred Games Played
Play a hundred games
Cut by a Thousand Deaths
Get terminated a thousand times
Million Bullet March
Fire one million buillets of any kind
Defeat Ten Thousand Enemies
Defeat ten thousand enemies
Nice Guns
Upgrade your weapons one time
Upgrade Master
Upgrade your weapons a thousand times
Maximum Power
Upgrade any weapon to the max
Defeat First Boss
Turn the first boss in the game into dust
Defeat Second Boss
Crush the spirit of life out of the second boss
Defeat Third Boss
Return the third boss to its maker
Defeat Fourth Boss
Put the fourth boss six feet under
Defeat Fifth Boss
Turn the fifth boss into shards
Defeat Sixth Boss
Deal with the sixth boss
Defeat Seventh Boss
Show the seventh boss its ending cutscene
Defeat Eighth Boss
Leave the eighth boss in the ocean
Defeat Ninth Boss
End the existence of the ninth boss
Defeat Tenth Boss
Give the tenth boss its resignation forms
Defeat Eleventh Boss
Leave the eleventh boss in your tracks
Defeat Twelfth Boss
Show the twelfth boss the path to redemption
Defeat Thirteenth Boss
Mangle the thirteenth boss beyond repair
Defeat Fourteenth Boss
Add the fourteenth boss to the pile of achievements
Defeat Fifteenth Boss
Disassemble the fifteenth boss
Defeat Sixteenth Boss
Steamroll the sixteenth boss
Defeat Seventeenth Boss
Pulverize the seventeenth boss
Defeat Eighteenth Boss
Return the eighteenth boss to sender
Defeat Nineteenth Boss
Make the nineteenth boss sleep with the robo-fishes
Defeat Final Boss
Slaughter the Final Boss
Arcade Style First Boss
Eliminate the first boss without assistance
Arcade Style Third Boss
Eliminate the third boss without assistance
Arcade Style Fourth Boss
Eliminate the fourth boss without assistance
Arcade Style Fifth Boss
Eliminate the fifth boss without assistance
Arcade Style Sixth Boss
Eliminate the sixth boss without assistance
Arcade Style Seventh Boss
Eliminate the seventh boss without assistance
Arcade Style Eighth Boss
Eliminate the eight boss without assistance
Arcade Style Ninth Boss
Eliminate the ninth boss without assistance
Arcade Style Tenth Boss
Eliminate the tenth boss without assistance
Arcade Style Eleventh Boss
Eliminate the eleventh boss without assistance
Arcade Style Twelfth Boss
Eliminate the twelfth boss without assistance
Arcade Style Thirteenth Boss
Eliminate the thirteenth boss without assistance
Arcade Style Fourteenth Boss
Eliminate the fourteenth boss without assistance
Arcade Style Fifteenth Boss
Eliminate the fifteenth boss without assistance
Arcade Style Sixteenth Boss
Eliminate the sixteenth boss without assistance
Arcade Style Seventeenth Boss
Eliminate the seventeenth boss without assistance
Arcade Style Eighteenth Boss
Eliminate the eighteenth boss without assistance
Arcade Style Nineteenth Boss
Eliminate the nineteenth boss without assistance
Arcade Style Final Boss
Eliminate the final boss without assistance
Arcade Style Second Boss
Eliminate the second boss without assistance
Single Credit Playthrough
Complete the game using only one credit
Arcade Style Single Credit Playthrough
Complete the game using only one credit without assistance