Accomplish the indicated achievement to get the corresponding number of 
Gamerscore points:

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