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Complete Area 29 of expansion pack on Normal difficulty.
2/26/2011
10:12:05 PM
Ultra Rare 3.7%
More Speed, Less Haste
Complete 'Vengeance' single player level on Veteran mode in 17 minutes or less.
2/26/2011
3:12:40 PM
Rare 24.0%
Hardcore
Complete any single player level using only the Blaster and Grenades.
2/26/2011
9:14:47 AM
Rare 26.4%
Tank
Take 500 damage without dying on 'Determination' single player mission.
2/24/2011
11:31:07 AM
Rare 28.6%
Survivor
Stay alive for 8 minutes or better on any of the Survivor mode single player levels.
2/24/2011
3:50:15 AM
Rare 25.0%
Frag-master
Use a Frag Grenade to kill 5 aliens at the same time (in single player).
2/23/2011
7:38:13 AM
Rare 32.7%
The Initiated
Complete the prologue in single player on any difficulty level.
2/23/2011
7:26:27 AM
Rare 29.3%
Immobilised
Use a Stun Grenade to stun 5 aliens at the same time (in single player).
2/23/2011
7:12:12 AM
Rare 34.7%
Light 'em up!
Kill 5 aliens with one shot of Project X (in single player).
2/23/2011
6:52:10 AM
Rare 31.9%
At Your Mercy
Kill a stunned alien with a Frag Grenade (in single player).
2/23/2011
6:35:01 AM
Rare 32.4%
Grave Robber
Collect 50 items or weapons from human corpses (in single player).
2/23/2011
4:55:05 AM
Rare 43.9%