Cosmic Osmo and the Worlds Beyond the Mackerel
Developed by Cyan Worlds, Inc. · Published by Cyan Worlds, Inc.
At a glance
Overview
An adventure, casual game by Cyan Worlds, Inc., published by Cyan Worlds, Inc. — single-player.
Steam’s own one-line description: “Cosmic Osmo is a game about exploration and discovery, not winning or challenges. Children and adults will both find something to enjoy in this early gem from the creators of Myst.” — 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 Cosmic Osmo and the Worlds Beyond the Mackerel.
| 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 | No |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS *: Windows XP / Vista / Windows 7 (unofficially supported)
- Processor: Pentium +
- Memory: 256MB RAM
- Hard Disk Space: 200+ MB available HD space
- Video: DirectX 9.0c compatible or better
- Sound: DirectX 9.0 compatible
- DirectX®: DirectX 9.0c or greater
Supported languages (1)
Cosmic Osmo and the Worlds Beyond the Mackerel 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 Cosmic Osmo and the Worlds Beyond the Mackerel?
Steam classifies Cosmic Osmo and the Worlds Beyond the Mackerel as a Adventure, Casual game, developed by Cyan Worlds, Inc.. Cosmic Osmo is a game about exploration and discovery, not winning or challenges. Children and adults will both find something to enjoy in this early gem from the creators of Myst.
How much does Cosmic Osmo and the Worlds Beyond the Mackerel cost?
As of June 2026, Steam lists Cosmic Osmo and the Worlds Beyond the Mackerel at $2.39. Prices and regional pricing change — check the Steam page for the current figure.
Is Cosmic Osmo and the Worlds Beyond the Mackerel single-player or multiplayer?
Steam lists these modes for Cosmic Osmo and the Worlds Beyond the Mackerel: Single-player. It lists a single-player mode.
Is Cosmic Osmo and the Worlds Beyond the Mackerel on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Cosmic Osmo and the Worlds Beyond the Mackerel for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Cosmic Osmo and the Worlds Beyond the Mackerel out yet?
Cosmic Osmo and the Worlds Beyond the Mackerel is available — see its Steam page.
What platforms is Cosmic Osmo and the Worlds Beyond the Mackerel on?
Cosmic Osmo and the Worlds Beyond the Mackerel 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 Cosmic Osmo and the Worlds Beyond the Mackerel single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Cosmic Osmo and the Worlds Beyond the Mackerel cost?
Steam lists it at $2.39.
Who made Cosmic Osmo and the Worlds Beyond the Mackerel?
Cosmic Osmo and the Worlds Beyond the Mackerel is developed by Cyan Worlds, Inc. and published by Cyan Worlds, Inc..
Where to get Cosmic Osmo and the Worlds Beyond the Mackerel
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 · official site. Not affiliated with Valve/Steam, Cyan Worlds, Inc..