Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea-
This Cthulhu Mythos RPG is a retro styled horror RPG containing modern elements. What terrors await you in the abandoned mansion...? Create the protagonist "YOU" to your liking. Select your companions and unravel the mystery of the mansion.
- Price:$6.99
- Release Date:9/27/2018
- Developer:AlchemyBlue
- Publisher:DLsite
- Last Updated:4/2/2026
- Steam App Id:938240
Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea-
- Windows
- Mac
- Linux
- Steam Deck (Playable)
Steam Charts, Stats, and Live Player Count
At the moment, Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- has 1 concurrent player online and in-game. This is 0% lower than its previous all-time peak of 1 players achieved on 5/28/2026.
Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- Review
Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- has achieved a Steambase Player Score of 91 / 100. This score is calculated from 23 total reviews on the Steam store — giving it a Positive rating. These are split between 21 positive reviews, 2 negative reviews, and will be updated in real-time as more players leave their feedback.
Track historical reviews and overall rating trends for Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- using the chart below.
Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- Price
Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- costs $6.99 in the Steam store as of 4/2/2026. It can be purchased as a standalone game or through a bundle like DLsite All-In-One Bundle which offers a discount off the game's base price.
Explore the price history chart below to track historical price changes and other pricing stats for Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea-.
Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- Deals & Discounts
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We only work with the best and most-trusted marketplaces to ensure a smooth experience. After purchase, you will immediately receive your Steam key and game activation code. Take advantage of these offers and dive into the world of Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- without hurting your wallet.
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About Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea-
Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- is an Indie, and RPG game developed by AlchemyBlue. On 9/27/2018, it was released on the Steam Store by DLsite.
It can be played and ran on Windows systems. At the moment, it is possible to play Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- on the Steam Deck but some functionality may not be fully supported.
According to Steam’s category system, Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- supports the following features:
- Single-player
- Family Sharing
- Steam Cloud
- Partial Controller Support
From the Steam community, Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- has been tagged with the following user tags:
- JRPG
- Pixel Graphics
- RPG
- Lovecraftian
- Horror
- Indie
- 2D
Media & Sceenshots
Watch the featured video for Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- and see the latest screenshots from the Steam Store.
Related Bundles
Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- is included in 1 bundle in the Steam Store.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | DLsite All-In-One Bundle | 27 | 28 | $308.42 | View |
Related Packages
Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- | $6.99 | View |
More Steam Charts
Track historical trends for Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- community hub members and its growth over time. It currently has 413 followers in its community.
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- data has been sourced from:
- Valve Corporation. (2026, April 2). Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea- on Steam. Steam Store. https://store.steampowered.com/app/938240
- Valve Corporation. (2026, April 2). Cthulhu Mythos RPG -The Sleeping Girl of the Miasma Sea-. Steam Community Hub. https://steamcommunity.com/app/938240