| Achievement | How to unlock
|
|---|
| A Hero's Marathon ( 15 points ) | Defeat 300 enemies.
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| A Hero's Workout ( 10 points ) | Defeat 50 enemies.
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| Ala Carte ( 20 points ) | Complete a level without collecting any health or energy items.
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| All Powered Up ( 20 points ) | Collect all energy and health extenders.
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| Key Master ( 20 points ) | Collect all keycards.
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| No Time to Waste ( 20 points ) | Post a time on all level leaderboards.
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| Playing with a Full Deck ( 15 points ) | Unlock all alien forms by beating levels 1-10.
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| The Fast Lane ( 20 points ) | Complete the game in less than 3 hours.
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| The World is Safe For Now ( 10 points ) | Complete the game once.
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| True Hero ( 25 points ) | Survive for 5:00 in Survival Mode.
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| Unscathed ( 10 points ) | Defeat any level without getting hit.
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| Versatility ( 15 points ) | Harm the final boss using each alien before delivering the final blow.
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