| Achievement | How to unlock | Points
|
|---|
| Addicted to destruction | Complete the game on any difficulty setting two times in a row. | 80
|
| Arachnophobic | Destroy level-4 boss. | 15
|
| Band of followers | Gather ten walkers on the screen on level-6. | 15
|
| Collector | Collect all power-ups in the game including all hidden power-ups. | 30
|
| Cyborg for dinner | Destroy level-4 miniboss. | 15
|
| Disturbed symbiosis | Destroy level-5 boss. | 15
|
| Empty shell | Destroy level-6 boss. | 15
|
| Explorer | Find all hidden power-ups. | 30
|
| Extended existence | Earn an extra life. | 15
|
| Eye surgery | Destroy level-1 boss. | 15
|
| Flesh and bones | Start the game as human. | 15
|
| Freedom to crawlers | Don't kill the crawlers on level-2. | 15
|
| Godlike | Complete the game on any difficulty setting with no deaths. | 90
|
| Good listener | Listen all tracks in music test menu (complete the game on 'Normal' difficulty to unlock it) | 15
|
| Gunslinger | Complete the game on any difficulty setting using only default weapon. | 90
|
| Heart attack | Destroy level-2 boss. | 15
|
| Heavy lifting | Don't kill the tongue climbers at the elevator on level-7. | 15
|
| Hero for ages | Complete the game on 'Normal' difficulty. | 30
|
| Inhuman | Complete the game on 'Hard' difficulty. | 70
|
| Insect control | Destroy level-3 boss. | 15
|
| Intestinator | Destroy level-5 miniboss. | 15
|
| Life stealer | Steal a life from other player in coop mode. | 10
|
| Out of misery | Destroy level-3 miniboss. | 15
|
| Real power | Use maximum charged fire for all weapons. | 15
|
| Savior of the universe | Complete the game on 'Easy' difficulty. | 30
|
| Seasoned | Earn 500000 score. | 90
|
| Sharpshooter | Kill ten enemies with one shot. | 30
|
| Squashed | Get squashed by the roof during the final boss encounter. | 15
|
| Super deadman | Die hundred times. | 10
|
| Survival of the fittest | Destroy level-7 boss. | 15
|
| The ultimate team | Complete the game on any difficulty setting in coop mode. | 30
|
| Total devastation | Destroy level-7 final boss. | 20
|
| Ultra Ultimate Super Cyborg | Complete the game on 'Hard' difficulty with no deaths. | 90
|