
About
Investigate a failing diner by analyzing ledgers and customer feedback. Make daily decisions on prep, pricing, and actions to uncover the root cause of financial distress before the business closes.
What's New in Saisei
1.3.1
November 5, 2026
- Enter prep and price directly as numbers - Export your records to a file and move them to a new iPhone - Choose from three text sizes - Save the closing report from the share sheet - New runs let you compare the figures from the days you traded to test your diagnosis - Fixed the day shown above the evening ledger, which ran one day ahead The runs and results you already have carry over.
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FAQ
What is Saisei?
Saisei is a deduction game where you inherit a diner and must analyze its financial ledgers and customer remarks to uncover why it's failing. You make daily decisions and choose strategic moves to solve the mystery before the business closes.
How long are the game runs in Saisei?
You can choose a run length of 9, 12, or 18 days in Saisei. The game concludes on the last day or if the diner runs out of money before then.
Does Saisei have ads?
No, Saisei does not contain advertisements. It is a premium game with a single purchase and no further charges.
Can I play Saisei offline?
Yes, Saisei does not require a network connection to play. Your game records are stored on your iPhone and can be exported.
What platforms is Saisei available on?
Saisei is available on iPhone and iPod. It is designed for one-handed play in portrait mode.
How do I unlock new moves in Saisei?
New shelves of moves in Saisei are unlocked by finishing runs, not by answering correctly. Completing runs opens up new strategic options for your gameplay.
What is the price of Saisei?
Saisei is available for a one-time purchase of $2.99. There are no additional charges or in-app purchases.
What age rating does Saisei have?
Saisei has an age rating of 4+. The game is designed to be accessible and engaging for a wide audience.




