Complete the indicated task to unlock the achievement.

Achievement	Description
All My Enemies	Kill one of every enemy type
Bookworm	Find all Journals in Valley of Doom
Daredevil	Freefall for 4.5 seconds
Disintegration	Kill 100 enemies in a row when armed with the Disintegrator
Doom Ace	Complete Valley of Doom with 0 Lives Lost on Hard
Doom Grinder	Finish Valley of Doom with at least 80,000 points
Doom Master	Complete Valley of Doom on Medium or Hard
Doom Techie	Find 100 Tech Points in Valley of Doom
Easy Peasy	Complete Dark Void Zero on Easy
Exterminator!	Kill 500 Parasites
Finders, Keepers	Collect all 1UP pickups
Game Ace	Complete Dark Void Zero with 0 Lives Lost on Medium or Hard
Hot Stuff	Experience 10 lava-related deaths
I'm A Luddite	Destroy all Watcher Scientists in Science Lab
L337 Sk1llz!!	Complete Dark Void Zero on Hard
Liberation	Kill 100 enemies in a row when armed with the Liberator
Lock Me Up	Complete a lock-in fight in under 5 seconds
Medium Rare	Complete Dark Void Zero on Medium
n00b!!	Lose 10 lives in Valley of Doom on Easy
Preventative Measures	Destroy all Watcher Incubators in Inner Sanctum
Sanctum Ace	Complete Inner Sanctum with 0 Lives Lost on Hard
Sanctum Grinder	Finish Inner Sanctum with at least 400,000 points
Sanctum Master	Complete Inner Sanctum on Medium or Hard
Sanctum Techie	Find 100 Tech Points in Inner Sanctum
Science Ace	Complete Science Lab with 0 Lives Lost on Hard
Science Grinder	Finish Science Lab with at least 220,000 points
Science Master	Complete Science Lab on Medium or Hard
Science Techie	Find 100 Tech Points in Science Lab
Speed Demon	Complete Dark Void Zero in 34 minutes or less
Unscathed	Take no damage from laser traps while hovering in Science Lab