| Achievement | How to unlock
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|---|
| Avatar of Waste | Defeated Firth.
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| Camtscha, Reborn | Defeated Camtscha (for real).
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| Captain of the Guard | Defeated Nephro.
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| Ceviche Sisters | Defeated the Ceviche Sisters.
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| Crab Hunter | Defeated Inkerton.
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| Curdled Carbonara Connoisseur | Defeated the Curdled Carbonara Connoisseur.
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| Diseased Lichenthrope | Defeated the Diseased Lichenthrope.
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| Finishing What I Started | Get your shell back.
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| Grovekeeper | Defeated Topoda.
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| In Good Claws | Purchase some insurance.
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| Intimidation Crab | Defeated Heikea.
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| Make it Shine | Fully upgrade Kril's fork.
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| Path of the Hermit | Unlock all skills on the Path of The Hermit.
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| Path of the Predator | Unlock all skills on the Path of The Predator.
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| Path of the True Crab | Unlock all skills on the Path of The True Crab.
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| Polluted Platoon Pathfinder | Defeated a miniboss.
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| Royal Shellsplitter | Defeated the Royal Shellsplitter.
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| Scuttling Sludge Steamroller | Defeated the Scuttling Sludge Steamroller.
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| Shell Seeker | Try on every shell in the game.
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| Shellslike | Find a certain hero's helmet.
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| The Accumulator | Defeated Voltai.
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| The Bleached King | Defeated Camtscha.
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| The Consortium | Defeated the Consortium.
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| The False Moon | Defeated Petroch.
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| The Hunt Begins! | Start the treasure hunt.
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| The Ocean's Agony | Defeated Praya Dubia.
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| The Ravenous | Defeated Pagurus.
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| This Kills The Crab | Shoot a crab with a gun.
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| Tyrant of Slacktide | Defeated Magista.
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| Venture Crabitalist | Defeated Roland.
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| Well Adapted | Learn all adaptations.
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| You fell off | Fall off a cliff.
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