Compare Cosmic Osmo and the Worlds Beyond the Mackerel prices across trusted key stores and find the best deal. Developed by Cyan Worlds, Inc.. Published by Cyan Worlds. Released on 1/18/2022. Available on PC. Genres: Adventure, Casual.

Before Cyan built Myst, they built Osmo. Seven surreal planets to wander with no objectives, no fail states, and a sense of humor that still lands decades later.

I came to Cosmic Osmo already knowing what it is, and knowing that fact changed nothing about how disarming the first few minutes felt. You drop into a monochrome spaceship, click around until something animates, and the game never once explains what you're supposed to do, because there's nothing you're supposed to do. No inventory, no score, no win condition. The whole structure sits closer to a very strange interactive comic strip than anything you'd call a game by modern definitions, and that genuinely is the point. What you get across the seven planets is a point-and-click world built on pure curiosity. Clicking a door moves you to the next scene. Clicking on objects triggers small, often funny animations. Scale shifts constantly, and without warning you've shrunk to fit through a mouse hole or a water drain, then expanded back to normal a room later. The kitchen hiding an Osmo in a hot tub under the sink, the house built entirely from cheese, the in-world phone network where each planet hides a number you can dial from any handset to reach characters or call back to your ship, all of these are the kind of throwaway details that show how much care went into filling the spaces. The CD version on Steam carries 18 original music tracks, written by Robyn Miller and Shep Lovick with saxophone from Kyle Stroud, and that soundtrack adds a tone somewhere between cozy and quietly eerie that the visuals alone wouldn't achieve. The honest caveats are real, though. There is no arc, no payoff reveal, no moment where the game rewards persistence with anything other than another oddly-drawn room. Players who need a loop to pull them forward will stall out within twenty minutes. The black-and-white presentation and the port's locked low resolution (tiny on a modern monitor) are period artifacts that no patch has addressed. Scene transitions run slow. And the absence of direction isn't a sophisticated design statement for everybody, it genuinely just feels empty to some players, which is fair. Where Cosmic Osmo earns its place in 2025 is as historical context and as a short, weird afternoon. If you're a Cyan fan tracing the DNA of Myst back to its roots, this and The Manhole are the pre-Myst proof of concept, and that lineage is genuinely interesting to sit with. If you have a young child who still finds click-and-see interactions delightful rather than antiquated, the surreal humor and zero-stakes structure make it age-appropriate in a way few pre-1990 games are. For anyone else, the expectation should be calibrated: this runs about two to three hours on a single sitting, holds some genuine wit, and asks nothing of you except tolerance for the weird. Alex, Scout Team

Cosmic Osmo and the Worlds Beyond the Mackerel

Cosmic Osmo and the Worlds Beyond the Mackerel

Jan 18, 2022Cyan Worlds, Inc.Cyan Worlds
GamerScout Says

Before Cyan built Myst, they built Osmo. Seven surreal planets to wander with no objectives, no fail states, and a sense of humor that still lands decades later.

PC
ProtonDB Gold
Best Price Available
€0.22
at Kinguin
Lowest tracked: €0.22
Track this price

GamerScout Verdict

Worth an afternoon if you're a Cyan history buff or have a small child; too goalless and resolution-locked to hold most modern players.

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KinguinBest price
StandardGlobalSteam KeyKey
€0.22
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Buy
StandardEurope (EU)Steam KeyKey
€0.26
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StandardEurope (EU)Steam KeyKey
€0.36
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StandardGlobalSteam KeyKey
€0.44
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StandardGlobalSteam KeyKey
€0.76-22%
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StandardGlobalSteam KeyKey
€0.97
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StandardUnited StatesSteam KeyKey
€2.98
Priced in EUR by the store
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StandardEurope (EU)Steam KeyKey
€6.15
Priced in EUR by the store
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Price History

Lowest tracked
€0.2215 Jun 2026
Current best
€0.22
Lowest since we started tracking
Keyshops
€0.21€0.22€0.23€0.245 Jun27 Jun19 Jul9 Aug31 Aug
5 Jun — 31 Aug
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Screenshots & Media

Screenshot

About Cosmic Osmo and the Worlds Beyond the Mackerel

I came to Cosmic Osmo already knowing what it is, and knowing that fact changed nothing about how disarming the first few minutes felt. You drop into a monochrome spaceship, click around until something animates, and the game never once explains what you're supposed to do, because there's nothing you're supposed to do. No inventory, no score, no win condition. The whole structure sits closer to a very strange interactive comic strip than anything you'd call a game by modern definitions, and that genuinely is the point. What you get across the seven planets is a point-and-click world built on pure curiosity. Clicking a door moves you to the next scene. Clicking on objects triggers small, often funny animations. Scale shifts constantly, and without warning you've shrunk to fit through a mouse hole or a water drain, then expanded back to normal a room later. The kitchen hiding an Osmo in a hot tub under the sink, the house built entirely from cheese, the in-world phone network where each planet hides a number you can dial from any handset to reach characters or call back to your ship, all of these are the kind of throwaway details that show how much care went into filling the spaces. The CD version on Steam carries 18 original music tracks, written by Robyn Miller and Shep Lovick with saxophone from Kyle Stroud, and that soundtrack adds a tone somewhere between cozy and quietly eerie that the visuals alone wouldn't achieve. The honest caveats are real, though. There is no arc, no payoff reveal, no moment where the game rewards persistence with anything other than another oddly-drawn room. Players who need a loop to pull them forward will stall out within twenty minutes. The black-and-white presentation and the port's locked low resolution (tiny on a modern monitor) are period artifacts that no patch has addressed. Scene transitions run slow. And the absence of direction isn't a sophisticated design statement for everybody, it genuinely just feels empty to some players, which is fair. Where Cosmic Osmo earns its place in 2025 is as historical context and as a short, weird afternoon. If you're a Cyan fan tracing the DNA of Myst back to its roots, this and The Manhole are the pre-Myst proof of concept, and that lineage is genuinely interesting to sit with. If you have a young child who still finds click-and-see interactions delightful rather than antiquated, the surreal humor and zero-stakes structure make it age-appropriate in a way few pre-1990 games are. For anyone else, the expectation should be calibrated: this runs about two to three hours on a single sitting, holds some genuine wit, and asks nothing of you except tolerance for the weird.

Alex
Alex · Scout Team

Catch-all

Tags

steamPre-MystNo-Fail ExplorationInteractive ToyHyperCard EraAbsurdist HumorScale ShiftingPhone Network SecretShort SessionHistorical Artifact

System Requirements

Minimum

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®…

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Reviews & Ratings

Steam
79%(115)

Game Info

Developer
Cyan Worlds, Inc.
Publisher
Cyan Worlds
Release Date
Jan 18, 2022

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Frequently asked questions about Cosmic Osmo and the Worlds Beyond the Mackerel

How much does Cosmic Osmo and the Worlds Beyond the Mackerel cost?

As of 31 August 2026, the cheapest in-stock offer for Cosmic Osmo and the Worlds Beyond the Mackerel is €0.22 at Kinguin, out of 8 live offers we track across verified key stores. Prices change daily — the table on this page is refreshed continuously.

Where can I buy Cosmic Osmo and the Worlds Beyond the Mackerel cheapest?

The lowest in-stock price we track for Cosmic Osmo and the Worlds Beyond the Mackerel is €0.22 at Kinguin (31 August 2026). We compare 8 live offers from verified key stores — the full table with every store and its trust score is on this page.

What platforms is Cosmic Osmo and the Worlds Beyond the Mackerel available on?

Cosmic Osmo and the Worlds Beyond the Mackerel is available on PC.

When was Cosmic Osmo and the Worlds Beyond the Mackerel released?

Cosmic Osmo and the Worlds Beyond the Mackerel was released on 18 January 2022.

Who developed Cosmic Osmo and the Worlds Beyond the Mackerel?

Cosmic Osmo and the Worlds Beyond the Mackerel was developed by Cyan Worlds, Inc. and published by Cyan Worlds.