| Achievement | How to unlock
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| Air Dash | Collect the Air Dash Power Orb.
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| Beat Catacombs | Defeat the Hopper Boss in the Catacombs.
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| Beat Caverns | Defeat the Dragon Boss in the Caverns.
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| Beat Keep | Defeat the Space Alien Lord in the Keep.
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| Beat Library | Defeat the Floater Boss in the Library.
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| Beat Watchtower | Defeat the Lander Boss in the Watchtower.
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| Blocked View | Complete the game without destroying all of the Space Aliens (Normal Ending)
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| Cartographer | Collect all the Castle Maps.
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| Charge | Collect the Charge Power Orb.
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| Compass | Collect the Compass Power Orb.
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| Defense Maxed | Collect all the Defense Up Power Orbs.
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| Destroy Space Aliens | Destroy all of the Space Aliens (Best Ending)
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| Down+Up+Jump | Collect the Down Up Jump Power Orb.
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| Early Escape | Sequence break out of the first segment of the game.
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| Empty Ledge | Give in to Vengeance (Worst Ending)
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| Feathered Vest | Collect the Feathered Vest Power Orb.
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| First Encounter | Triumph against a Boss Space Alien for the first time.
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| Health Maxed | Collect all the Health Up Power Orbs.
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| Heavy Anklet | Collect the Heavy Anklet Power Orb.
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| Kill the Animals | Eliminate the baby space aliens during the final game sequence.
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| Low Percent | Finish the game (Best Ending) without collecting Health, Damage, or Defense Ups.
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| Number Vision | Collect the Number Vision Power Orb.
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| Orbiter | Collect the Orbiter Power Orb.
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| Power Maxed | Collect all the Damage Up Power Orbs.
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| Rocket Booster | Collect the Rocket Booster Power Orb.
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| Rocket Fuel | Collect the Rocket Fuel Power Orb.
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| Speed Runner | Finish the game (Best Ending) in under 2 hours.
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| Speed Shoes | Collect the Speed Shoes Power Orb.
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| Sticky Grip | Collect the Sticky Grip Power Orb.
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| Storyteller | Collect all of the Journal Entries.
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