Trophies for Ion Assault
Bronze AbstinenceComplete a stage without collecting a Power-Up.
Bronze BattleshipDestroy five asteroids at once.
Bronze Hard to killScore exceeds 1,000,000 points (Survival).
Bronze HyperspeedFinish a stage in less than 60 seconds.
Bronze JackpotScore 1,500,000 points in a single game.
Bronze Rock'n'RollDestroy 50 big obstacles in a single game.
Bronze SurvivorSurvive 3 stages without dying once.
Bronze The will to liveScore exceeds 2,500,000 points (Survival).
Silver Allied VictoryComplete the cooperative campaign.
Silver TriumphComplete the single player campaign.
Gold High Score HunterScore exceeds 5,000,000 points (Campaign).