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 !
Last Updated: 11/21/2025
| Developer | Geoffroy Pirard |
| Publisher | Geoffroy Pirard |
| Steam App Id | 1343010 |
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 !
Last Updated: 11/21/2025
- Windows
- Mac
- Linux
About Antimatter
Antimatter is a RPG, Indie, Simulation, and Strategy game developed by Geoffroy Pirard. It was released on the Steam Store by Geoffroy Pirard.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Antimatter supports the following features:
- Single-player
- Family Sharing
Media & Sceenshots
Watch the featured video for Antimatter and see the latest screenshots from the Steam Store.
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Genres
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Frequently Asked Questions
Soures & References
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Antimatter data has been sourced from:
- Valve Corporation. (2025, November 21). Antimatter on Steam. Steam Store.
- Valve Corporation. (2025, November 21). Antimatter. Steam Community Hub.
- Geoffroy Pirard. (2023, August 15). Antimatter. Antimatter.