Mossu
Released 28 October 2026 · PC · Casual, Simulation, Early Access

Mossu is a botanical cubesat terrarium floating through the real solar system, with you and your friends as it's caretakers! Hands on plant growth, cubesat construction and exploration in your shared, persistent craft. Go from Earth orbit to the Martian surface!
Story
Grow Real Plants Build Your Cubesat Explore Earth, Moon & Mars [ Features : Grow 14 scientifically modeled plant species Build and expand your own cubesat habitat Drive physics-based rovers across real worlds Explore Earth orbit, the Moon, and Mars Prune, water, and shape living ecosystems Play solo or cooperatively with friends Research, trade, and complete missions Create mods for plants, modules, and assets
Features
- Single-player
- Multi-player
- Co-op
- Online Co-op
- LAN Co-op
- Adjustable Text Size
- Camera Comfort
- Color Alternatives






Release details
Mossu is a Casual, Simulation and Early Access game by Cuteheart Studios. Mossu came out on Wednesday, 28 October 2026 on PC. This date comes from Steam and was last checked on 21 October 2026.
Frequently asked questions
When did Mossu come out?
Mossu came out on 28 October 2026.
Which platforms is Mossu on?
Mossu is on PC.
Who makes Mossu?
Mossu is developed by Cuteheart Studios.
What kind of game is Mossu?
Mossu is a game of these genres: Casual, Simulation and Early Access.