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Several diaries gradually reveal the thrilling story of a missing case; after multiple deductions, are the answers in the past or present? With frequent plot twists, you never know which is the truth and which is the unexpected; in a dense fog, time buries the past, but the marks remain.
Game modes: Single player
Right now the lowest price for The Diary we're tracking is $15.99 at Steam. We compare 1 store and prices refresh every few minutes.
The lowest price we've recorded for The Diary is $11.19 at Steam on August 1, 2026. The current best price is about 43% above that low.
68% of 201 Steam user reviews for The Diary are positive ("Mixed").
The Diary is available on PC (Microsoft Windows), Mac. It supports single player.
The Diary last hit a new low of $11.19 on August 1, 2026 at Steam. Current best price is $15.99. Prices on this page refresh every few minutes, so check back around seasonal sales for new lows.
The cheapest The Diary price right now is $15.99 at Steam.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 SteamBest price | — | $15.99 | Buy The Diary at Steam |
All-time low: $11.19 at Steam on Aug 1, 2026 — the current best price is 43% above it.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.
