Achieved | Achievement | % of players | Unlock date |
|---|---|---|---|
 | Born to Kill Killed a total of 25 aliens in single player | 96.67% | |
| Killing Spree Killed 20 aliens in 30 seconds | 51.11% | |
| Elite Force Killed 50 aliens in a row without taking any damage | 43.4% | |
 | Time to Party Complete 3 Co-op Assault multiplayer games | 22.53% | |
| Campaign Veteran Single player completed | 20.32% | |
| Break Out The Arsenal Used all weapons and items in the game | 18.65% | |
| Knowledge Is Power Picked up 100% of the logs | 11.78% | |
| Team Veteran Complete "Hydroponics" in Co-op Assault | 6.09% | |
| Fighting Light Finished a single player level without using any items | 6.02% | |
| No Stone Unturned Found all secret collectibles | 5.93% | |
| Hard To Kill Finished CO-OP Assault level 1,2 or 3 with no player losing a life | 4.88% | |
| Aint Got Time To Bleed Finished 'Interface' single player level without using any health packs | 4.52% | |
| Against The Odds Completed the Single Player game on Elite difficulty | 4.51% |