PCGame

Cosmic Osmo and the Worlds Beyond the Mackerel

A point-and-click adventure built around discovery instead of winning

Cyan Worlds, Inc. · Released TBA

AdventureCasual

Reviews
Mostly Positive
78% of 92
Recent reviews
Not enough recent
Players
0
daily peak, Nov 7, 2026
Steam Deck
Untested
Last update on Steam
Unknown
no patch notes on Steam
Minimum PC
DirectX 9 GPU
0.3 GB RAM
Full requirements

What is Cosmic Osmo and the Worlds Beyond the Mackerel?

You play an Osmo, a creature traveling by spaceship, in a single-player, first-person exploration game spanning seven strange worlds. You move between locations and click on objects to explore your surroundings.

For you if...

  • +you like surreal humor and black-and-white cartoon art
  • +you want something to explore alongside children

Not for you if...

  • −you want a plot-driven adventure with clear objectives

What players say

78% of 92 reviews are positive

Players praise the hidden passages and humorous interactions. Common complaints concern the small display window, while recent reviews also report technical problems that can interrupt play or require restarting.

Screenshots and trailer

Cosmic Osmo and the Worlds Beyond the Mackerel screenshot 1

Cosmic Osmo and the Worlds Beyond the Mackerel system requirements

Minimum: DirectX 9 GPU, 0.3 GB RAM.

As published by the developer.

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Minimum

OS
Windows XP / Vista / Windows 7 (unofficially supported)
Processor
Pentium +
Graphics
DirectX 9.0c compatible or better
Memory
256MB RAM
Storage
200+ MB available HD space

Does Cosmic Osmo and the Worlds Beyond the Mackerel have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Does Cosmic Osmo and the Worlds Beyond the Mackerel run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows
Steam features
Family Sharing
Languages
Text only: English.

Does Cosmic Osmo and the Worlds Beyond the Mackerel use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam

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