| Achievement | How to unlock
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|---|
| - Never select a wrong choice in the initial encounter with Shigure. (Secret)
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- All Roads Lead to Gover Mecher (10)
| - Watch all the Gover Mecher episodes in one playthrough. (Secret)
|
| - Read all the investigation scenes at school. (Secret)
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| - Select only the choices related to one heroine. (Secret)
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| - Have the option to choose to visit all available heroines. (Secret)
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| - Get all the bad endings with the murderer. (Secret)
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| - Be unable to visit any heroine. (Secret)
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| - Complete common route (Secret)
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| - Get a 100% on your pop quiz. (Secret)
|
|
| - Never select or input a wrong answer for Shigure's puzzles. (Secret)
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| - Watch none of the Gover Mecher episodes in one playthrough. (Secret)
|
- The Clock is Ticking... (11)
| - Never select a wrong answer for the deduction sequence. (Secret)
|
| - Pick the stall option as many times as you can without reaching a bad end. (Secret)
|
