Xbox 360

Defender Achievements

Most Earned

Nice Catch
Nice Catch16 (15)Rescue a human with a mid-air catch.
Mutant11 (10)Shoot 5 mutants in one game.
One Wave
One Wave12 (10)Make it to the 2nd wave without losing any humans.
Getting Better
Getting Better25 (15)Make it to the 3rd wave.

Least Earned

Protect All Humans
Protect All Humans201 (25)Lose no humans in the first 3 waves.
Five Waves
Five Waves146 (20)Make it to the 5th wave.
Baiter Bane
Baiter Bane80 (20)During an Xbox Live Co-op game, kill 5 baiters in any level without using any smart bombs.
Twenty-Five Grand
Twenty-Five Grand98 (25)Obtain a personal score of 25,000.
All Defender Achievements