| Achievement | How to unlock
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| Animal lover | You finally fed that cat!
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| Assassin | You attacked one of the first enemies from behind and eliminated them.
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| Cautious | You remained concealed in the dark for more than two minutes.
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| Explorer | You have taken over 10,000 steps in Gloomywood.
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| Gas maniac | A boss was asphyxiated!
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| Greedy | You found all the pink candies in the game.
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| Heavy smoker | You smoked too much, that's bad!
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| Non-smoker | You finished a level without saving.
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| Non-violent | You finished the level without firing a single shot.
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| Nosey | You have found all the lists of the backers of 2Dark.
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| Patient | You saved all the children in a level in one go!
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| Pool hall king | You scored over 10 points playing pool.
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| Sausage lover | A boss was sliced up!
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| The "Catherine de’ Medici" prize | A boss has been poisoned!
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| Unexpected allies | The circus lions took care of Antonio Petronelli for you.
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