Defeat Gemini
Defeat Incinerator
Defeat Cannonblade
Defeat Electrofence
Defeat Splitballer
Defeat Mayhem
Defeat Plasmagram
Defeat Chaos Dragon
Defeat Gemblaster
Defeat Cataclysm
Collect all the equipment (and upgrades) during a single boss run
Collect all the unique weapons during a single boss run
Kill 50 bosses over any number of boss runs
Achieve the rank of Emperor
Achieve the rank of King
Complete a boss run with 90% accuracy
Complete a boss run in an hour or less
Equip all the shields on a single boss run
Use the Power Pad, Health Pad, and Damage Pad during a single boss fight
Defeat a boss while time is stopped
Defeat Incinerator with a single shot
Beat the game on Standard Mode
Beat the game on Hardcore Mode
Defeat a boss by only using the turret gun