GameTio

Cosmo Merge: Idle Galaxy

Drag matching celestial bodies together to merge them up from stardust and pebbles to planets, stars, black holes, galaxies and a universe, with 30 cute objects and idle income.

  • Puzzle
  • Idle

Desktop: checked. Phone not verified.

Play here on this page (desktop verified; mobile/touch unverified). Stays on this page.

Cosmo Merge: Idle Galaxy Ready to start

Press Play to load the game on this page.

Exiting closes the game. Progress may reset when you play again.

Reloading the game may reset progress.

Phone controls are not verified yet.

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A key-by-key list is unknown on this page.

Platform: HTML5 browser

The game receives keys only after it is focused.

At a glance

Developer
Unknown
Version
Unknown
Platform
HTML5 browser
Genre
Puzzle / Idle
Desktop
Desktop: checked
Phone
Phone not verified
Checked
· Sources

Official cover · L1xF1x

Quick answer: Cosmo Merge: Idle Galaxy is a Puzzle, Idle game for HTML5 browser. Drag matching celestial bodies together to merge them up from stardust and pebbles to planets, stars, black holes, galaxies and a universe, with 30 cute Play it right on this page with the embedded official player. GameTio has not published guides for Cosmo Merge: Idle Galaxy yet.

About Cosmo Merge: Idle Galaxy

Frequently asked questions

What kind of game is Cosmo Merge: Idle Galaxy?

Cosmo Merge: Idle Galaxy is listed as a Puzzle game and a Idle game for HTML5 browser. Drag matching celestial bodies together to merge them up from stardust and pebbles to planets, stars, black holes, galaxies and a universe, with 30 cute objects and idle income.

Where can I play Cosmo Merge: Idle Galaxy?

Right on this page: the Play button above opens an embedded player for the official game.

Does GameTio have guides or codes for Cosmo Merge: Idle Galaxy?

Not yet. This page covers the official play link and source-checked details; guides will appear here when GameTio publishes them.

Has GameTio played Cosmo Merge: Idle Galaxy?

No. The details on this page are source-checked from official listings and references, not from a GameTio playthrough.

Sources & verification Checked Nov 5, 2026
Checked Desktop input tested · No full playthrough
  1. Cosmo Merge: Idle Galaxy official itch.io page Official source

    Official page and HTML5 playable marker checked 2026-11-05. GameTio has not played the game.

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