Defender (1981) 的成就 (Xbox 360)
10 Points
Mutant
Shoot 5 mutants in one game.
10 Points
One Wave
Make it to the 2nd wave without losing any humans.
10 Points
Cooperation
Achieve a score of 15,000 during an Xbox Live CO-OP game.
15 Points
Competitive
Win 30 Xbox Live versus games.
15 Points
Nice Catch
Rescue a human with a mid-air catch.
15 Points
Getting Better
Make it to the 3rd wave.
15 Points
Fifteen Grand
Obtain a personal score of 15,000
20 Points
Run!
Survive the first 75 seconds without shooting, bombing, or teleporting.
20 Points
Baiter Bane
During an Xbox Live Co-op game, kill 5 baiters in any level without using any smart bombs.
20 Points
Five Waves
Make it to the 5th wave.
25 Points
Twenty-Five Grand
Obtain a personal score of 25,000.
25 Points
Protect All Humans
Lose no humans in the first 3 waves.