| Achievement | Description
|
|---|
| - Kill one of every enemy type
|
| - Find all Journals in Valley of Doom
|
| |
| - Kill 100 enemies in a row when armed with the Disintegrator
|
| - Complete Valley of Doom with 0 Lives Lost on Hard
|
| - Finish Valley of Doom with at least 80,000 points
|
| - Complete Valley of Doom on Medium or Hard
|
| - Find 100 Tech Points in Valley of Doom
|
| - Complete Dark Void Zero on Easy
|
| |
| |
| - Complete Dark Void Zero with 0 Lives Lost on Medium or Hard
|
| - Experience 10 lava-related deaths
|
| - Destroy all Watcher Scientists in Science Lab
|
| - Complete Dark Void Zero on Hard
|
| - Kill 100 enemies in a row when armed with the Liberator
|
| - Complete a lock-in fight in under 5 seconds
|
| - Complete Dark Void Zero on Medium
|
| - Lose 10 lives in Valley of Doom on Easy
|
| - Destroy all Watcher Incubators in Inner Sanctum
|
| - Complete Inner Sanctum with 0 Lives Lost on Hard
|
| - Finish Inner Sanctum with at least 400,000 points
|
| - Complete Inner Sanctum on Medium or Hard
|
| - Find 100 Tech Points in Inner Sanctum
|
| - Complete Science Lab with 0 Lives Lost on Hard
|
| - Finish Science Lab with at least 220,000 points
|
| - Complete Science Lab on Medium or Hard
|
| - Find 100 Tech Points in Science Lab
|
| - Complete Dark Void Zero in 34 minutes or less
|
| - Take no damage from laser traps while hovering in Science Lab
|
