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