Defender - Xbox Live Arcade Unlockables
Xbox 360 | Submitted by pallyAchievements
Cooperation (10) - Score of 15,000 in an Xbox Live CO-OP game.
Mutant (10) - Shoot five mutants in one game.
One Wave (10) - Make it to the 2nd wave without losing any humans.
Competitive (15) - Win 30 Xbox Live versus games.
Fifteen Grand (15) - Obtain a personal score of 15,000.
Getting Better (15) Â– Survive until the 3rd wave.
Nice Catch (15) - Rescue a human with a mid-air catch.
Run! (20) - Survive the first 75 seconds without shooting, bombing, or teleporting.
Baiter Bane (20) - During an Xbox Live Co-op game, kill five baiters in any level without using smart bombs.
Five Waves (20) - Make it to the 5th wave.
Protect All Humans (25) - Lose zero humans in the first three waves.
Twenty-Five Grand (25) - Obtain a personal score of 25,000.