| Achievement | How to unlock
|
|---|
| 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.
|
