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Cosmic Composer header image
Coming Jul 28, 2027

Cosmic Composer

By Juhani Viitanen

SpacePuzzleSandboxBuildingTop-DownCasualSpace SimScience3DRelaxingSimulationColorful
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About Cosmic Composer

Cosmic Composer is a game tagged Space, Puzzle and Sandbox by Juhani Viitanen, launching on Steam on Jul 28, 2027. The quietest week ahead for games like it starts Nov 30. The Steam games most like it include PLANETOON, Sunshine Heavy Industries and Constellations.

Casual puzzle game on a cosmic scale. Build stars, planets and other cosmic objects. Evolve your cosmos using abilities of the stars from stellar winds to supernova.
From the Steam page

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Launch window

Open in Launch Week Checker

Busiest weeks for games like this one in the next 12 weeks:

  • Week of Oct 26, 2026 — Packed, 209 similar games
  • Week of Nov 9, 2026 — Packed, 188 similar games
  • Week of Nov 2, 2026 — Packed, 188 similar games

Quietest: Nov 30, Dec 7, Jan 11.

Also launching the week of Jul 26

All upcoming games

Steam data

Everything Steam lists for Cosmic Composer · record updated 1 day ago

Steam store

Overview

App ID3459990
Release dateJul 28, 2027
Last change number39342202
Last record update1 day ago

App info

App type
Game
Developer
Juhani Viitanen
Publisher
Juhani Viitanen

Platforms

Windows 64-bit
Controller
Full support

Features

5
Single-playerFull controller supportPlayStation controllersPlayStation controller BluetoothFamily Sharing

Data from public Steam pages, updated daily; 5 days of history. LaunchRivals is not affiliated with Valve or Steam.

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