Complete the single player campaign.
Complete a stage without collecting a Power-Up.
Finish a stage in less than 90 seconds.
Destroy seven asteroids at once.
Destroy 50 big obstacles in a single game.
Destroy five asteroids at once.
Score 1,500,000 points in a single game.
Survive 3 stages without dying once.
Complete the cooperative campaign.
Complete a whole sector without dying once.
Score more than 500,000 points in a single game.
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