| Achievement | How to unlock
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|---|
| Cold-Blooded | Kill hundred monsters.
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| Defeat the Egg Monster | Defeat the Egg Monster.
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| Defeat the Giant Hand Monster | Defeat the Giant Hand Monster.
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| Defeat the Goddess | Defeat Karen.
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| Dual Guns | Obtain Two Shotguns Simultaneously.
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| Electric Tentacles | Defeat the Tentacle Monster.
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| Firearms Expert | Craft a handgun.
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| Goddess Recovery | Goddess Recovery.
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| Headshot Master | Perform fifty Headshots.
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| I Love School Uniforms | Collect All Outfits.
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| Master Alchemist | Synthesize medicinal powder.
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| Prologue | Start Game.
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| Rat Infestation | Defeat the Rats.
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| Real Experience | Complete Hard Mode.
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| The End | Defeat Calvin.
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| The Real Challenge | Start Hard Mode.
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