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Kugayama Shiori's Death Diary
A mystery visual novel where horror meets occult comedy. Follow Kugayama Shiori, a ghost who casually dies over and over as she searches for her cause of death and the regrets that bind her to this world. Her investigation will eventually lead to a single incident—and the truth behind her demise.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-25.
“Beautiful story, the true ending isn't actually very hard to reach and it's totally worth it, it will make you cry. The duration is just fine, it tells you the story and doesn't forget about any character, so i would totally recommend this if you want to have read a beautiful…”
— a player, Steam review · 14 hrs played“Kugayama Shiori was hung hanged she was quite hung”
— a player, Steam review · 8 hrs played“This game was everything I was hoping it would be. I loved all of the characters, the mystery had me questioning until the very end, and the twists made me cry so hard. It was pretty dark and creepy at times, but I like that. I feel like this should be more popular!! 10/10”
— a player, Steam review · 12 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-08 via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-26. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
August 6 Update
■ Fixes ・Added rendering mode setting under "Advanced Settings" ・Corrected typographical errors in select text ■ Details We added a feature to switch rendering modes under "Advanced Settings" to addre
May 28 Update
■ Fixes Fixed an issue that prevented CG Mode from reaching 100% completion. ■ Details A bug affecting certain event CGs has been fixed. Certain CGs were not being fully registered in CG Mode, resulti
May 11 Update
Fixed some animations/visual effects. These fixes do not affect save data.
May 3 Update
Fixed a bug where Phone Note entries would sometimes not update when the language was set to English or Simplified Chinese. This fix does not affect your save data.
May 1 Update
Fixed an issue in Simplified Chinese where some character names did not reflect the translator’s intended renderings. Adjusted volume levels for certain character voice lines in Day 5. None of these c
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-25.
| Genres | Adventure, Casual |
| Player tags | Adventure · Casual · Visual Novel · Choose Your Own Adventure · 2D Platformer · Text-Based · 2D · Cinematic · Horror · Dark Comedy · Mystery · Gore (Steam store community voting) |
| Features | Single-player · Steam Achievements · Steam Cloud · Family Sharing |
| Languages | English, Simplified Chinese, Japanese * * |
| Achievements | 12 |
| Official site | https://laplacian.jp/games/shiori/ |
Minimum system requirements (PC)
Minimum: OS: Microsoft OS: Windows 11 Processor: Intel core 3GHz Memory: 4 MB RAM Storage: 5 GB available space Sound Card: DirectSound