MysteryOS overview

Overview

MysteryOS comes from Clermont Digital and is published by Clermont Digital. It arrived on Steam on Mar 19, 2026, and it sits naturally among Single-player, Steam Achievements, Custom Volume Controls, Adjustable Difficulty, Subtitle Options, and Family Sharing. SteamPulse tracks it across Windows, macOS, Linux, and Steam so readers get a quick useful snapshot, not just a wall of numbers.

Players and reviews

MysteryOS's latest SteamPulse observation recorded 0 players at 22 September 2026 - 15:34:38 UTC, with a tracked peak near 1. This peak is the highest value in the available SteamPulse record and may not include activity before tracking began. Player reaction is 40% positive across 10 reviews.

Language and system requirements

MysteryOS is available in 1 languages including:

3 regional rating boards including dejus, steam germany, and igrs

Sales, recommendations, and streams

MysteryOS has sold up to 377 units and has recommendation data pending. Revenue data is not available for this game yet. On Twitch, 0 streamers are live with around 0 total watchers.

MysteryOS overview details

MysteryOS combines live player counts with reviews, pricing, platform support, Store metadata, dated player history, media, recent news, and related games.

Steam Store description

Every screen is a mystery. Every click is a risk. MysteryOS drops you into completely alien operating systems. No tutorials, no hand-holding, no familiar interfaces. The menus are in languages that don't exist. The UI follows rules you've never encountered. And the wrong action can end everything. Your job is to figure it out. Translate the untranslatable. Navigate the unnavigable. Survive. Decode Real Constructed Languages: Each level features a fully built alien language with its own grammar, vocabulary, and writing system. Piece together meaning from context, slowly turning the incomprehensible into the understood. Face Real Consequences: This isn't a sandbox. Dangerous actions have warning signs, but you'll need to learn to read them. Miss the cues, and it's game over. Every decision matters. Discover How to Save: Nothing is given to you. Even saving your progress is part of the puzzle. Auto-checkpoints prevent frustration, but finding the real save system, that's on you. Three Difficulty Modes: Explorer mode for those who want to soak in the atmosphere. Standard for a balanced challenge. Hardcore for those who believe consequences should be permanent. Level 1: AXIOM/1 Included Free: Your first alien OS awaits. Additional levels available as DLC content packs, each with a completely new operating system, language, and set of challenges.

SteamPulse editorial summary

MysteryOS is listed as a game with Free to play. It supports Windows, macOS, and Linux, belongs to Single-player, Steam Achievements, Custom Volume Controls, Adjustable Difficulty, Subtitle Options, and Family Sharing, and is associated with Adventure, Indie, Simulation, and Free To Play. SteamPulse's latest observation records 0 players at 22 September 2026 - 15:34:38 UTC, a tracked peak of 1, and 40% positive reviews.

Highlighted achievements

Support and legal notes

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.