Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Apprentice Speedrunner	Finish a level in less than 3 minutes.
Arsenal	Get all the weapons.
Artifact Hunter	Get all the artifacts.
Blackout	Finish the game on Blackout mode.
Blaster Run	Using only the HyperBlaster, kill at least 50 enemies in a level and finish it.
Boom	Beat the second boss and finish the game.
Clean Sweep	Find all the random powerups across all levels.
Crunchy	Beat the first boss.
Death From Above	Perform a jump kill.
Entryway	Finish the first level.
Explorer	Find all the random powerups in the first level.
Flawless Victory	Beat the final boss without taking any damage yourself.
God of Gorescript	Finish the game on Masochistic Blackout Permadeath mode.
Grand Master Speedrunner	Finish all the levels in less than 1 minute each.
Hammer Run	Using only the Sledgehammer, kill at least 50 enemies in a level and finish it.
Journeyman Speedrunner	Finish a level in less than 1 minute.
Masochist	Finish the game on Masochistic difficulty.
Master Speedrunner	Finish all the levels in less than 3 minutes each.
Not Dead	Finish the game on Permadeath mode.
Pacifist	Finish a level without killing any enemy yourself (shield reflect kills included).
Rail Run	Using only the Railgun, kill at least 50 enemies in a level and finish it.
Railgun Pro	Damage 6 enemies with one railgun shot.
Rocket Man	Damage 6 enemies with one rocket.
Rocket Run	Using only the Holy Rocket Launcher, kill at least 50 enemies in a level and finish it.
Shotgun Run	Using only the Double Shotgun, kill at least 50 enemies in a level and finish it.
Stomp Run	Using only the "Killer" Anti-Grav Boots, kill at least 50 enemies in a level and finish it.
Strafe Running Master	Get the random powerup at the end of the strafe running challenge in the Causeway level.
Why?	Get the random powerup in the "Why?" room.