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Cthulhu Mythos ADV Lunatic Whispers
Immerse yourself in the captivating world of the Cthulhu Mythos with this 2D visual novel game featuring a thrilling TRPG-based experience! Roll the dice and use your skills and luck to escape the abandoned hospital, while experiencing the cosmic terror.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-28.
“Cthulhu Mythos ADV: Lunatic Whispers is a niche horror adventure that confidently embraces its inspirations from Lovecraftian fiction and tabletop role-playing games. Developed and published by Gotcha Gotcha Games, the title places players in an abandoned hospital where reality…”
— a player, Steam review · 14 hrs playedLatest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Korean Language Update!
Korean language support has been added! We hope even more players will enjoy this "solo-play TRPG experience."
Korean Language Support Added
Korean language support has been implemented. Known Issue If you change the language during gameplay, the text in the log may not update correctly. If this occurs, please switch to another language an
"Cafe DReAMLAND + Cthulhu Mythos ADV Series Special Bundle" is now on sale!
The Cthulhu Mythos ADV Series titles “Cthulhu Mythos ADV Lunatic Whispers” and “Cthulhu Mythos ADV The Isle Of Ubohoth” , along with the Cthulhu-mythos-inspired adventure “Cafe DReAMLAND” , are now av
"Cthulhu Mythos ADV The Isle Of Ubohoth" Complete Edition Update!（2024/12/26）
The sequel to ""Cthulhu Mythos ADV Lunatic Whispers", "Cthulhu Mythos ADV The Isle Of Ubohoth" has been updated to the complete edition! ▼ Cryptic Notes Hidden across the island, cryptic notes now cha
"Cthulhu Mythos ADV The Isle Of Ubohoth" Additional Feature Update!
The sequel to "Cthulhu Mythos ADV Lunatic Whispers," titled "Cthulhu Mythos ADV The Isle Of Ubohoth," has been updated with new features! If you haven't played it yet, now is the perfect time to dive
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-28.
| Genres | Adventure, Indie, RPG |
| Player tags | Lovecraftian · Mystery · Adventure · Visual Novel · Exploration · 2D · Anime · Modern · Psychological Horror · Story Rich · Horror · JRPG (SteamSpy community voting) |
| Features | Single-player · Family Sharing |
| Languages | Japanese, English, Simplified Chinese, Korean |
| Official site | https://pd-com.wixsite.com/yskyouki |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS *: Windows 7 / 8 / 8.1 / 10 / 11 Processor: Intel Core2 Duo or better Memory: 4 GB RAM Graphics: Compatible OpenGL Storage: 500 MB available space