| Achievement | How to unlock | Points
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| - Find your first artifact.
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| - Purchase half of the upgrades.
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| - Get twenty perfect combos.
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| - Try to pass Darrel three times in the stairwell.
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| - Kill ten enemies with the axe.
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| - Crush half of the critters.
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| - Find one of Chef Armando's desired ingredients.
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| - Find all of Chef Armando's desired ingredients.
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| | |
| - Drink twenty bottles of water.
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| - Discover all of Marty's demon facts.
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| - Read the Duchess's diary.
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| - Saved from the Dream Eater.
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| - Catch up with Robyn on the roof.
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| - Watch all episodes of Dying Petals.
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| - Escape from the Dream Eater.
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| - Kill twenty enemies with Heartbreak shots.
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| - Kill an enemy with a Heartbreak shot.
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| | |
| - Kill fifty enemies with the pistol.
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| - Kill ten enemies with the pistol.
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| - Kill ten enemies with the shotgun.
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| | |
| - Tell Darrel to give Oakley his gift right away.
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| - Give opposing advice to Darrel or Chamuel on the second day.
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| - Kill thirty enemies with the axe.
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- Just a T.A.D More Powerful
| | |
| - Complete Chamuel's ending.
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| - Defeat a boss without using the pistol or shotgun.
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| - Complete Underground Station.
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| - Sabotage Darrel and Oakley's relationship.
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| - Get a six star rank on every level.
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| - Repair Darrel and Oakley's relationship.
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| - Get fifty perfect combos.
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| - Examine every door in the apartments on the way to your room.
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| - Deliver Chamuel's letter to Beloved.
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| - Use a Heartbreak shot on an enemy that only has one weak point.
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| | |
| - Deliver Chamuel's letter to Postman Creed.
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| | |
| - Kill thirty enemies with the shotgun.
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| - Appreciate all sofas in Dream Eater's lounge.
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| | |
| - Save Chamuel's relationship.
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| - Drink five bottles of water.
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| - Tell Darrel to give Oakley his gift later.
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| - Feed the Shadowy Figure an item that he craves.
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| - Complete Clarissa's ending.
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| - Find half of the artifacts.
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| - Talk to the repenting demon each day.
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| - End Chamuel's relationship.
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| - Free Benedict from his post.
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| - Get a six star rank on one level.
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| - Read all of the books in Dream Eater's Library.
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| - Feed the Shadowy Figure all items that he craves.
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| - Purchase your first upgrade.
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