Complete Valley of Doom on Medium or Hard

Complete Science Lab on Medium or Hard

Complete Inner Sanctum on Medium or Hard

Find all Journals in Valley of Doom

Destroy all Watcher Scientists in Science Lab

Destroy all Watcher Incubators in Inner Sanctum

Find 100 Tech Points in Valley of Doom

Find 100 Tech Points in Science Lab

Find 100 Tech Points in Inner Sanctum

Complete Dark Void Zero on Easy

Complete Dark Void Zero on Medium

Complete Dark Void Zero on Hard

Complete Valley of Doom with 0 Lives Lost on Hard

Complete Science Lab with 0 Lives Lost on Hard

Complete Inner Sanctum with 0 Lives Lost on Hard

Complete Dark Void Zero with 0 Lives Lost on Medium or Hard

Kill one of every enemy type

Kill 100 enemies in a row when armed with the Liberator

Kill 100 enemies in a row when armed with the Disintegrator

Kill 500 Parasites

Collect all 1UP pickups

Complete Dark Void Zero in 34 minutes or less

Finish Valley of Doom with at least 80,000 points

Finish Science Lab with at least 220,000 points

Finish Inner Sanctum with at least 400,000 points

Lose 10 lives in Valley of Doom on Easy

Experience 10 lava-related deaths

Complete a lock-in fight in under 5 seconds

Freefall for 4.5 seconds

Take no damage from laser traps while hovering in Science Lab