| Achievement | How to unlock
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| After All, You're Weak... (10 points) | Made 20 mistakes while using a map trigger.
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| CG Complete (50 points) | Saw all CG events.
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| Chaos Perfectionist (100 points) | Completed Chaos;Child.
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| Good, but Disappointing (10 points) | Saw the bad ending.
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| Negative Human Look (30 points) | Saw all negative delusion triggers.
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| Please Note (30 points) | Complete a map trigger without making a mistake.
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| Positive Human Look (30 points) | Saw all positive delusion triggers.
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| Sounds Complete (50 points) | Listened to all audio clips.
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| Surely the Wind is Blowing (10 points) | A great wind blew.
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| Tips Complete (50 points) | Read all tips.
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| Trigger of Delusion (10 points) | Pulled the trigger of delusion without fear.
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| Ultimate Megalomania (50 points) | Saw all delusion triggers.
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| Approaching the Past (10 points) | Began chapter 6.
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| Capturing the Past (10 points) | Began chapter 7.
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| Dance to the Reverberations of the Past (50 points) | Saw the Deep Sky ending.
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| Disseminated Information of an Incident (10 points) | Began chapter 1.
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| Erosion of Unconscious Kindness (50 points) | Saw the Dream Sky ending.
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| First Ending (50 points) | Saw the Over Sky ending.
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| Her Speculation (10 points) | Began chapter 10.
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| His Battle (10 points) | Began chapter 11.
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| I'm Gone! (20 points) | Found Katsuki.
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| Intricate Thoughts of Light and Shadow (50 points) | Saw the Real Sky ending.
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| Oh, That... (20 points) | Found Yamazoe.
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| Reflections on the Truth (50 points) | Saw the Dark Sky ending.
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| Residential Commotion (10 points) | Began chapter 5.
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| See You All Soon (20 points) | Found Arimura Hiyoko.
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| Speculation Becomes Complicated (10 points) | Began chapter 9.
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| Stop Chasing After the Incident (20 points) | Found Kurusu Pak Lai.
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| The Delusion Behind the Story (10 points) | Began chapter 4.
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| The Erosion Incident (10 points) | Began chapter 8.
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| The Incident and You (10 points) | Began chapter 2.
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| The Story of the Festival (10 points) | Began chapter 3.
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| Their True Way of Life (100 points) | Saw the Silent Sky ending.
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| You Did Not (30 points) | Found the true root.
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