• Achievements

    A Hero's MarathonDefeat 300 enemies15
    A Hero's WorkoutDefeat 50 enemies10
    Ala CarteComplete a level without collecting any health or energy items20
    All Powered UpCollect all energy and health extenders20
    Key MasterCollect all keycards20
    No Time to WastePost a time on all level leaderboards.20
    Playing with a Full DeckUnlock all alien forms by beating levels 1-1015
    The Fast LaneComplete the game in less than 3 hours20
    The World is Safe For NowComplete the game once10
    True HeroSurvive for 5:00 in Survival Mode.25
    UnscathedDefeat any level without getting hit10
    VersatilityHarm the final boss using each alien before delivering the final blow.15

    Contributed By: Guard Master.