Mandemon
Developed by 致意 · Published by 致意
At a glance
Overview
An adventure, indie game by 致意, published by 致意 — single-player.
Steam’s own one-line description: “Decaying Japanese school buildings, a series of bizarre incidents, eerie Mandemon legends. Lies and truths intertwine, love and hate entwined in the mist. What should one do? Whom should one believe? Welcome to this cruel world filled with deception and harm —” — 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 Mandemon.
| 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 | Yes |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS *: Windows 7 SP1+
- Processor: 1Ghz
- Memory: 1 GB RAM
- Graphics: OpenGL compatible card
- Storage: 1 GB available space
Supported languages (4)
Mandemon 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 Mandemon?
Steam classifies Mandemon as a Adventure, Indie game, developed by 致意. Decaying Japanese school buildings, a series of bizarre incidents, eerie Mandemon legends. Lies and truths intertwine, love and hate entwined in the mist. What should one do? Whom should one believe? Welcome to this cruel world filled with deception and harm —
How much does Mandemon cost?
As of June 2026, Steam lists Mandemon at $2.69. Prices and regional pricing change — check the Steam page for the current figure.
Is Mandemon single-player or multiplayer?
Steam lists these modes for Mandemon: Single-player. It lists a single-player mode.
Is Mandemon on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Mandemon for Windows, macOS, Linux. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Mandemon out yet?
Yes — Steam lists a release date of Aug 1, 2023.
What platforms is Mandemon on?
Mandemon is listed for Windows, macOS, Linux on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Mandemon single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Mandemon cost?
Steam lists it at $2.69.
Does Mandemon have achievements?
Yes — Steam lists 8 achievements for Mandemon.
Who made Mandemon?
Mandemon is developed by 致意 and published by 致意.
Where to get Mandemon
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, 致意.