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Ion Assault
Xbox 360
SortLocked / Unlocked
Completed a stage without collecting a Power-Up.
10 Gamerscore, 10 Prestige Score, without Xbox rarity10G · 10PNo rarityFinished a stage in less than 90 seconds.
15 Gamerscore, 15 Prestige Score, without Xbox rarity15G · 15PNo rarity
