| Achievement | How to unlock
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| 88 Bunnies Per Hour | Clear Bunny Must Die mode in under 2 hours with 100% items obtained.
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| A Bit Shy | Defeat the Sixth Devil, Halloween Alice, without taking any damage.
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| A Miserable Pile of Pixels | Defeat the Fourth Devil, Baron Bramdeau, within 30 seconds.
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| An Urgent Mission | Clear Chelsea and the 7 Devils mode in under 2 hours.
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| Be Efficient | Clear Chelsea and the 7 Devils mode with less than 15% items obtained.
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| Bravery or Insanity? | Clear Bunny Must Die mode with less than 15% items obtained.
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| Bringing a Sword to a Tank Fight | Defeat the Second Devil, Pure Aahaah, using the Faust Samurai.
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| Bunny For Life | Obtain all other achievements.
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| Bunny Must Die | Clear Bunny Must Die mode.
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| Chelsea and the Seven Devils | Clear Chelsea and the 7 Devils mode.
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| Death Feels Strangely Familiar | Defeat the Reaper, Selene Millfall, using the Faust Samurai.
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| Dungeon Brawler | Block 1,000 times.
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| Earthshaking Chaos | Survive against the God of Calamity, Nomos Dechronus, in his Rage Mode for 20 seconds.
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| Fairy from the Stars | Defeat the Final Devil, Subaru Septentrion, without using any Elixirs.
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| Fairy Quick | Clear Chelsea and the 7 Devils mode in under 1 hour.
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| I'm Late, I'm Late! | Clear Bunny Must Die mode in under 1 hour.
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| Lucky Rabbit's Foot | Defeat the Time Rabbit, Bunny the Honey White, without using any Elixirs.
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| Ms. Forehead's Rage | Defeat the First Devil, El Bobonboi, in her Crazed Insane Mode.
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| Mystical Treasure Trove | Clear Chelsea and the 7 Devils mode with 100% items obtained.
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| One Step Forward, Infinite Steps Back | Collect 100,000 Time Gems.
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| Pepo Infallibility | Defeat the Crimson King, Pope Cucurbita, without stopping time.
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| Pumpkin Slaughterer | Defeat the Jester King, Choker Joker, using the Spike Hammer.
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| Speed Bunny | Clear Bunny Must Die mode in under 2 hours.
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| The Bunny With It All | Clear Bunny Must Die mode with 100% items obtained.
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| The Great Pumpkish | Defeat the Pumpkin King, Lord Pumpkish, without taking any damage.
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| The Silver Century | Defeat the Moon Shadow, Endymion, using the Sylph Shooter.
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| The True Heroine | Defeat the Fairy Princess, Chelsea Mamanaju, without using any Bunny Dolls.
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| The Truth Is Up There | Get abducted by a UFO.
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| The Walls Have Eyes | Defeat the Fifth Devil, "Eye of the 13th Sage," without taking any damage.
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| Thermomewclear Blast | Defeat the Third Devil, Nuko do Maron, within 30 seconds.
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| Thoroughly Fast | Clear Chelsea and the 7 Devils mode in under 2 hours with 100% items obtained.
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| Totally Beyond Dead | Die 1,000 times.
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