Walternate Realities*
Cosmoteer: Starship Architect & Commander
At a glance
Genres
Play modes
- co-op mode
- single-player video game
- multiplayer video game
Game facts
Developers
- Walternate Realities*
Publishers
- Walternate Realities*
Platforms
Compatibility and community reports
- Linux · Community reports · 2026-06-27*
- Community Linux compatibility tier
- Gold*
- Reports
- 72*
- Community confidence
- strong*
- Steam Deck · 2026-06-27*
- Compatibility category
- Playable*
System requirements
- Windows · Minimum*
- Operating system
- 32-bit or 64-bit Microsoft Windows 10, 11, or newer*
- Processor alternatives
- Dual-core Intel 2.0 GHz (or AMD equivalent)*
- Memory
- 4 GB RAM*
- Graphics alternatives
- 1GB DirectX 10 Graphics Card or better*
- Storage
- 2 GB available space*
- Audio hardware
- DirectX compatible sound card*
- Windows · Recommended*
- Graphics alternatives
- 2GB DirectX 11 Graphics Card or better*
- Processor alternatives
- Quad-core Intel 2.5 GHz (or AMD equivalent) or better*
- Memory
- 8 GB*
- Windows · Recommended memory · 2026-06-27*
- Memory
- 8 GB*
Steam version platforms
- Windows*
- Supported
- Yes*
- macOS*
- Supported
- No*
- Linux*
- Supported
- No*
Interface languages
- English*
- French*
- German*
- Portuguese - Brazil*
- Russian*
- Simplified Chinese*
- Spanish - Latin America*
- Spanish - Spain*
- Japanese*
Game features
- Single-player*
- Multi-player*
- PvP*
- Online PvP*
- LAN PvP*
- Co-op*
- Online Co-op*
- LAN Co-op*
- Steam Workshop*
- Camera Comfort*
- Color Alternatives*
- Custom Volume Controls*
- Adjustable Difficulty*
- Playable without Timed Input*
- Save Anytime*
- Steam Cloud*
- Family Sharing*
Store genres
- Simulation*
- Strategy*
- Early Access*
Screenshots
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* Provisional data