Unlock all trophies
Reach 500 points without missing a single shot.
Reach 1000 points without moving
Reach 2000 points in arcade mode
Reach 4000 points in arcade mode
Reach 6000 points in arcade mode
Complete all challenges in a single player mode
Complete all challenges in coop mode
Survive for 180 seconds
Resurrect an ally in coop mode
Kill 20 enemies in rapid succession
Kill 30 enemies with a single mega laser
Detonate 30 bombs with a single shot
Kill an enemy with a deflected bullet
Kill 1000 asteroids
Kill 1000 UFOs
Have 50 asteroids in the level at the same time
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