PC $5.99 Region US
Adventure · Cyan Worlds, Inc.
Cosmic Osmo and the Worlds Beyond the Mackerel
Windows ESRB · Everyone
Mostly Positive · 79% of 116
Price verdict · US updated 2 days ago
Why this verdict
Lowest since 9 Jul 2026 $5.99 · 16 days ago
Player reviews 79% positive of 116
Quality score 79/100
Offers
Official store prices and labeled keyshop comparisons
Official stores (1)
Direct store link. Payment stays with the store.
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Price history
Accepted price history and recorded lows
Historical lows
Lowest since 9 Jul 2026 $5.99 2026-07-09
Lowest since 9 Jul 2026 $5.99
Lowest since 9 Jul 2026 $5.99
Current $5.99
Sale cadence
No recorded sale starts yet.
Price events From the accepted price history
Jul 9, 2026
Lowest since 9 Jul 2026 $5.99
Packs and bundles
- Cyan Children's Bundle From $7.20
About this game
What this game is, in the developer's words
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.
You're an Osmo, a strange creature indeed. You explore the galaxy in your spaceship, and the planets you encounter are almost as bizarre as the Osmos themselves. There are seven worlds presented for your consideration, each more goofy and peculiar than the last. 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.
Children and adults will both find something to enjoy in this early gem from the creators of Myst.
Media
Trailers and screenshots from the store page
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Cosmic Osmo and the Worlds Beyond the Mackerel price history and current deals
Cosmic Osmo and the Worlds Beyond the Mackerel for PC currently sells from $5.99 at authorized stores. Lowest since 9 Jul 2026: $5.99.
Cosmic Osmo and the Worlds Beyond the Mackerel reviews, playtime, and age rating
116 people have reviewed Cosmic Osmo and the Worlds Beyond the Mackerel. 79% are positive. Steam calls that Mostly Positive. ESRB rates it Everyone.
Frequently asked questions
Answered from this game's own data. Where I have none, I say nothing.
Which stores list Cosmic Osmo and the Worlds Beyond the Mackerel?
Cosmic Osmo and the Worlds Beyond the Mackerel is tracked at Steam. This section lists authorized stores and links to their store pages.
Where can I buy Cosmic Osmo and the Worlds Beyond the Mackerel cheap?
From $5.99 at Steam right now. Its recorded low is $5.99, set on 2026-07-09.
Is Cosmic Osmo and the Worlds Beyond the Mackerel worth playing?
116 people have reviewed Cosmic Osmo and the Worlds Beyond the Mackerel. 79% are positive. Steam calls that Mostly Positive.
What age rating does Cosmic Osmo and the Worlds Beyond the Mackerel have?
Cosmic Osmo and the Worlds Beyond the Mackerel is rated Brazil l, ESRB Everyone, Indonesia 3+, Germany (Steam rating) 0+ across boards.
Scores
Steam reviews Mostly Positive · 79%
79% positive of 116
Media (9)
Requirements
Facts
DeveloperCyan Worlds, Inc.
PublisherCyan Worlds, Inc.
TagsCasual · Adventure · Point & Click · 1980s · Cartoony · Pixel Graphics · Family Friendly · Walking Simulator · Surreal · First-Person · Singleplayer · Exploration · Cute · 2D · Mystery · Nostalgia · Classic · Psychological Horror · Open World · Procedural Generation
ModesSingle-player
Steam features
Family Sharing
Links
Ratings