Miasma
Developed by GhostMasaki · Published by GMRX
At a glance
Overview
An adventure game by GhostMasaki, published by GMRX — single-player.
Steam’s own one-line description: “Miasma is a first-person psychological horror maze game with a horrific atmosphere, you are trapped in a maze-like prison with a mysterious creature, and your only hope of survival is to find a way to escape.” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Miasma.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | No |
| Partial controller support | No |
| Steam Cloud saves | No |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS *: Windows 7 64-bit, Windows 8, Windows 10
- Processor: Intel Core i5
- Memory: 8 GB RAM
- Graphics: NVIDIA GeForce GTX 1050
- Storage: 2 GB GB available space
- Additional Notes: These requirements are not final
Supported languages (1)
Miasma FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Miasma?
Steam classifies Miasma as a Adventure game, developed by GhostMasaki. Miasma is a first-person psychological horror maze game with a horrific atmosphere, you are trapped in a maze-like prison with a mysterious creature, and your only hope of survival is to find a way to escape.
How much does Miasma cost?
As of June 2026, Steam lists Miasma at $2.99. Prices and regional pricing change — check the Steam page for the current figure.
Is Miasma single-player or multiplayer?
Steam lists these modes for Miasma: Single-player. It lists a single-player mode.
Is Miasma on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Miasma for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Miasma out yet?
Yes — Steam lists a release date of Mar 2, 2026.
What platforms is Miasma on?
Miasma is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Miasma single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Miasma cost?
Steam lists it at $2.99.
Does Miasma have achievements?
Yes — Steam lists 4 achievements for Miasma.
Who made Miasma?
Miasma is developed by GhostMasaki and published by GMRX.
Where to get Miasma
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data. Not affiliated with Valve/Steam, GMRX.