Twenty-Five Grand
Obtain a personal score of 25,000.
25 ✓ January 24th, 2009
Run!
Survive the first 75 seconds without shooting, bombing, or teleporting.
20 ✓ January 20th, 2009
Baiter Bane
During an Xbox Live Co-op game, kill 5 baiters in any level without using any smart bombs.
20 ✓ September 8th, 2015
Competitive
Win 30 Xbox Live versus games.
15 ✓ May 7th, 2019
Nice Catch
Rescue a human with a mid-air catch.
15 ✓ December 27th, 2008
Getting Better
Make it to the 3rd wave.
15 ✓ January 20th, 2009
Fifteen Grand
Obtain a personal score of 15,000
15 ✓ January 24th, 2009
Mutant
Shoot 5 mutants in one game.
10 ✓ December 27th, 2008
One Wave
Make it to the 2nd wave without losing any humans.
10 ✓ December 27th, 2008
Cooperation
Achieve a score of 15,000 during an Xbox Live CO-OP game.
10 ✓ September 8th, 2015
Protect All Humans
Lose no humans in the first 3 waves.
25 
Five Waves
Make it to the 5th wave.
20