Cosmic Osmo and the Worlds Beyond the Mackerel
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.
- Price:$5.99
- Developer:Cyan Worlds Inc
- Publisher:Cyan Worlds Inc
- Last Updated:10/13/2025
- Steam App Id:63620
Cosmic Osmo and the Worlds Beyond the Mackerel
- Windows
- Mac
- Linux
Steam Charts, Stats, and Live Player Count
Cosmic Osmo and the Worlds Beyond the Mackerel has not been released yet. As soon as it launches, player counts and charts can be tracked here in realtime.
Review History Chart
Track historical review trends and overall ratings for Cosmic Osmo and the Worlds Beyond the Mackerel. It has received a total of 111 reviews on the Steam store and achieved a Player Score of 72 (Mostly Positive).
Price History Chart
Track historical price changes and trends for Cosmic Osmo and the Worlds Beyond the Mackerel. Right now, it costs $5.99 in the Steam Store.
About Cosmic Osmo and the Worlds Beyond the Mackerel
Cosmic Osmo and the Worlds Beyond the Mackerel is an Adventure, and Casual game developed by Cyan Worlds Inc. It was released on the Steam Store by Cyan Worlds Inc.
Players have rated Cosmic Osmo and the Worlds Beyond the Mackerel as "Mostly Positive" out of 111 total reviews on the Steam Store. These are split between 87 positive reviews and 24 negative reviews — an overall 78% positive review rating.
It is available for gamers to download and play for $5.99. It can also be purchased through Cyan Children's Bundle which gives a discount off its base price.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Cosmic Osmo and the Worlds Beyond the Mackerel supports the following features:
- Single-player
- Family Sharing
From the Steam community, Cosmic Osmo and the Worlds Beyond the Mackerel has been tagged with the following user tags:
- Classic
- Procedural Generation
- Nostalgia
- Surreal
- Pixel Graphics
- Walking Simulator
- Psychological Horror
- First-Person
- Mystery
- 1980s
- Cute
- Family Friendly
- Open World
- Point & Click
- Casual
- Adventure
- Cartoony
- Singleplayer
- 2D
- Exploration
Media & Sceenshots
Watch the featured video for Cosmic Osmo and the Worlds Beyond the Mackerel and see the latest screenshots from the Steam Store.
Related Bundles
Cosmic Osmo and the Worlds Beyond the Mackerel is included in 1 bundle in the Steam Store.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | Cyan Children's Bundle | 3 | 3 | $7.20 | View |
Related Packages
Cosmic Osmo and the Worlds Beyond the Mackerel is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| Cosmic Osmo and the Worlds Beyond the Mackerel | $5.99 | View |
Frequently Asked Questions
Soures & References
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Cosmic Osmo and the Worlds Beyond the Mackerel data has been sourced from:
- Valve Corporation. (2025, October 13). Cosmic Osmo and the Worlds Beyond the Mackerel on Steam. Steam Store. https://store.steampowered.com/app/63620
- Valve Corporation. (2025, October 13). Cosmic Osmo and the Worlds Beyond the Mackerel. Steam Community Hub. https://steamcommunity.com/app/63620
- Cyan Worlds Inc. (2023, July 15). Cosmic Osmo and the Worlds Beyond the Mackerel. Cosmic Osmo and the Worlds Beyond the Mackerel. https://cyan.com