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