Ion Assault

Complete each achievement to receive the allotted gamerscore.

Abstinence (10)             - Complete a stage without collecting a Power-Up.
Allied Victory (40)         - Complete the cooperative campaign.
Battleship (10)             - Destroy five asteroids at once.
Destroyer (10)              - Destroy seven asteroids at once.
Hyperspeed (15)             - Finish a stage in less than 90 seconds.
Jackpot (15)                - Score 1,500,000 points in a single game.
Payoff (10)                 - Score more than 500,000 points in a single game.
Rock 'n' Roll (15)          - Destroy 50 big obstacles in a single game.
Survivor (10)               - Survive 3 stages without dying once.
Triumph (40)                - Complete the single player campaign.
Untouchable (10)            - Complete a whole sector without dying once.

 