| 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.
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| Immobilised ( 20 points ) | Stunned 5 aliens with one Stun Grenade.
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| Meat Grinder ( 10 points ) | Killed 250 aliens during multiplayer Survivor mode.
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| More Speed, Less Haste ( 10 points ) | 'Vengeance' completed in 17 minutes or less.
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| Seasoned Squaddie ( 20 points ) | Completed a level in multiplayer.
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| Survivor ( 10 points ) | Stayed alive for 8 minutes in Survivor mode.
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| Tank ( 10 points ) | Took 500 damage without dying.
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| The Informed ( 10 points ) | Picked up all the logs.
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