Campaign Veteran
Single player completed
25 ✓ January 17th, 2010
Team Veteran
Complete "Hydroponics" in Co-op Assault
20 ✓ January 18th, 2010
Fighting Light
Finished a single player level without using any items
20 ✓ January 17th, 2010
Hard to Kill
Finished CO-OP Assault level 1,2 or 3 with no player losing a life
20 ✓ January 18th, 2010
Knowledge is Power
Picked up 100% of the logs
20 ✓ January 17th, 2010
Elite Force
Killed 50 aliens in a row without taking any damage
10 ✓ January 17th, 2010
Born to Kill
Killed a total of 25 aliens in single player
10 ✓ December 16th, 2009
Break Out the Arsenal
Used all weapons and items in the game
10 ✓ January 17th, 2010
Killing Spree
Killed 20 aliens in 30 seconds
10 ✓ December 18th, 2009
Against the Odds
Completed the Single Player game on Elite difficulty
25 
Ain't got time to bleed!
Finished 'Interface' single player level without using any health packs
20 
No Stone Unturned
Found all secret collectibles
10