| Achievement | How to unlock
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|---|
| Because This Is Not Mathew's Fault (70 points) | Completed Chapter 3.
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| But You Have Never Helped Her (70 points) | Completed Chapter 2.
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| Do Not Hesitate to Eat (50 points) | Opened the bar refrigerator in Chapter 3.
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| Do You Know Everything Now? (100 points) | Collected all memos.
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| I Want to Play a Game with You (70 points) | Completed Chapter 1.
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| I Will Always Remember This Day (70 points) | Completed Chapter 4.
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| I've Always Been Near You (15 points) | Watched a man and a woman on TV.
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| It is Time to Face Your Mistakes (70 points) | Completed Chapter 5.
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| Let You Suffer as Much as I have Suffered (70 points) | Completed Chapter 6.
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| Like My Little Puzzle? (50 points) | Opened all the lockers at the front desk in Chapter 2.
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| Mathew, What On Earth Have You Done? (50 points) | Used the mechanism to pierce her in Chapter 6.
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| Maybe I Should Give You a Trophy? (50 points) | Recovered the broken trophy in Chapter 5.
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| Mother's Favorite Melody (50 points) | Played the correct melody on piano in Chapter 1.
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| Very Good, You Opened It (50 points) | Opened the coffer in the kitchen in Chapter 4.
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| Achievement | How to unlock
|
|---|
| Mathew, A True Detective. (60 points) | Solved all password puzzles.
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| Mathew, You're Smart (15 points) | Successfully combined items for the first time.
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| Remember My Words, Recall Your Fault. (60 points) | Watched all TVs in the game.
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| This was Prepared Especially for You (15 points) | Picked up a memo for the first time.
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| Welcome to the Town of Harbour (15 points) | Game launched.
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