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Antimatter

Antimatter is a sandbox strategy game, colonise planets, build your city on the surface or the underground. Build your spacestation or control your own spaceships to explore a huge and living galaxy !

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Game contextLatest: IGF Team
ContextThe evidence factors used to assess whether this game belongs on IndieGame.Fan.Status
Notes
Latest Contributor: IGF TeamEdit notes
Updated: Jul 10, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 15, 2026Publisher scaleThe operating scale of the game's publisher.
Updated: Jul 15, 2026Publisher statusHow the game's publishing relationship is classified.
Updated: Jul 15, 2026FundingThe known source of funding behind the game.
Search Google: Who controls the creative direction and IP for Antimatter and Geoffroy Pirard?Creative controlWho appears to retain creative control of the game.
Updated: Jul 15, 2026Release statusWhether and how the game has been released.

Media

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About the Game

Antimatter is a strategy and RPG game in a simulated and living galaxy.
In command of your spaceship, trade, fight, explore, or rule an interstellar organization.

Features


  • A procedurally generated and dynamic universe with thousands of systems to explore, where dozens of factions struggle for power or survival.
  • Take command of a spaceship, trade, mine, harvest, scavenge, produce, and participate in the simulated economy.
  • Manage an existing city or found new colonies and outposts on any planet.
  • Climb the political ladder of a commercial or sovereign organization.
  • Interact with AI characters who are living independent and simulated life in the Antimatter universe.
  • Terraform entire planets by altering their atmospheric compositions.
  • Fulfil missions for corporations, factions, or individuals, or unravel the secrets of this galaxy.
  • Get involved in the Antimatter Crisis and try to change the course of history.



  • A universe generated and simulated across billions of years, with thousands of systems and planets to explore and colonise.


  • Generation of civilisations, filled with historical events.




  • Advanced missiles and active/passive radar detection.


  • Customizable spacecrafts and crew.





  • With your spaceship, or automatically with your merchant fleet and your established colonies.
  • Produce goods from space stations, outposts and colonies and manage your supply chain.




  • Explore the deep space and land on any planet or asteroid in the galaxy.


  • Explore the surface for ore, exotic flora, or to unravel hidden locations and planetary features.



  • A complex political system where power and influence is shared between characters.
  • Rule or be part of an organization, fulfill missions and climb its ladder.


  • Every character in the game lives it's own life.


  • Manage colonies, outposts and space station or your own fleet of spacecrafts.




  • Change the planet's atmospheric composition and observe the consequences.


A dynamic plot guides the galaxy's simulation while you are playing.
Your action and participation to some missions will influence, among other things, the course of global events. You can change, slow down or precipitate them.