Steam Achievements
| Achievement | Description |
|---|---|
| Battle-hardened | Complete all single player levels 1-5 |
| Elite Unit | Complete all single player levels 1-5 on Elite difficulty |
| Exterminator | Kill 1000 aliens in single player |
| Frag-master | Kill 10 aliens with one frag grenade |
| Hidden Treasure | Find all secret collectibles |
| Immobilised | Stun 10 aliens with one stun grenade |
| Meat Grinder | Kill 250 aliens on any multiplayer Survivor level |
| More Speed, Less Haste | Complete 'Vengeance' single player level on Veteran difficulty in 17 minutes or less |
| Seasoned Squaddie | Complete any multiplayer level |
| Survivor | Stay alive for 8 minutes on any single player Survivor level |
| Tank | Take 500 damage on 'Determination' single player mission without dying |
| The Informed | Collect all the logs throughout the game |
| Time to Party | Complete 3 Co-op Assault multiplayer games |
