
Cosmic Composer
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.
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About Cosmic Composer
Build Stars
Create Planets
Explode stars as a supernova
CREATE AND MODIFY
Build stars, planets and nebulae, then modify and combine them into new cosmic objects all the way to galaxies and black holes.
Cosmic objects have their own special abilities that cost cosmic energy to use.
Planets can collide and form a new kind of planet in the process.
Stars can use abilities like stellar winds, solar flares and supernovae. These can modify nearby cosmic objects in different ways, evolve them to something new or destroy them.
Using ability can trigger a chain reaction of multiple events so be careful not to destroy everything in a single supernova explosion... unless that's what you want.
COMPLETE QUESTS
Quests are build based or event based.
Build quest requires a set of cosmic objects to be in the quest area. For example a star and three different planets needs to be in the quest area to be completed.
Event quests require something to happen in the quest area for example a supernova explosion or planetary collision.
When all quests are completed the level is completed.
RESOURCE MANAGEMENT
Cosmic Energy is used as a resource for every action and you have a limited amount of it.
Balancing energy usage is important for completing the level.
Will you safely complete needed quests or try to reach for a higher score?

Game details
Game details
Age ratings
Game modes
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Cosmic Composer — frequently asked questions
When does Cosmic Composer release?
Steam lists the Cosmic Composer release date as 2026.
How much will Cosmic Composer cost?
No store has listed a price yet. Set a free price alert on this page and KingsPrice will email you when the first offers appear.
System requirements
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10
Recommended
- Requires a 64-bit processor and operating system











