| Achievement | How to unlock
|
|---|
| Battle-hardened (25 points) | Single player completed.
|
| Elite Unit (25 points) | Single player completed on Elite difficulty.
|
| Exterminator (20 points) | Killed 1000 aliens.
|
| Frag-master (30 points) | Killed 5 aliens with one Frag Grenade.
|
| Hidden Treasure (10 points) | Found all secret collectibles.
|
| Immobilised (20 points) | Stunned 5 aliens with one Stun Grenade.
|
| Meat Grinder (10 points) | Killed 250 aliens during multiplayer Survivor mode.
|
| More Speed, Less Haste (10 points) | 'Vengeance' completed in 17 minutes or less.
|
| Seasoned Squaddie (20 points) | Completed a level in multiplayer.
|
| Survivor (10 points) | Stayed alive for 8 minutes in Survivor mode.
|
| Tank (10 points) | Took 500 damage without dying.
|
| The Informed (10 points) | Picked up all the logs.
|
