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 real-time.
Cosmic Osmo and the Worlds Beyond the Mackerel Review
Cosmic Osmo and the Worlds Beyond the Mackerel has achieved a Steambase Player Score of 78 / 100. This score is calculated from 111 total reviews on the Steam store — giving it a Mostly Positive rating. These are split between 87 positive reviews, 24 negative reviews, and will be updated in real-time as more players leave their feedback.
Track historical reviews and overall rating trends for Cosmic Osmo and the Worlds Beyond the Mackerel using the chart below.
Cosmic Osmo and the Worlds Beyond the Mackerel Price
Cosmic Osmo and the Worlds Beyond the Mackerel costs $5.99 in the Steam store as of 10/13/2025. It can be purchased as a standalone game or through a bundle like Cyan Children's Bundle which offers a discount off the game's base price.
Explore the price history chart below to track historical price changes and other pricing stats for Cosmic Osmo and the Worlds Beyond the Mackerel.
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.
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
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
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