Planet Forge
Released 16 October 2026 · PC · Simulation, Early Access

A multiplayer space simulator to play with friends. Control your planet's gravity to pull in rare gases, absorb space dust, and increase your mass. Progress through all stages of cosmic evolution: from a gas giant and a blazing star to a supermassive black hole.
Story
Planet Forge is a space simulation game where you control a planet, with the option to play together with friends. Players navigate their celestial body through space, utilize gravity mechanics to attract resources, and progress through successive stages of cosmic evolution based on accumulated mass. Key Features of Planet Forge: Cosmic Evolution Chain — Absorb elements in space to increase your mass and seamlessly transform your celestial object: from a regular planet to a gas giant, then into a star. Own Gravity Mechanics — Increase your object's mass and density to strengthen its gravitational field. Powerful gravity allows you to more effectively pull in surrounding gases, space dust, and passing asteroids. Cooperative Mode — Navigate through space and develop celestial bodies together with your friends in real time. Gas Collection and Atmosphere — Locate and harvest various types of gases to modify the physical properties and overall mass of your object. Climate Control — Manage the temperature of your celestial body through core heating and deep freezing.
Features
- Single-player
- Multi-player
- Co-op
- LAN Co-op
- Shared/Split Screen Co-op
- Shared/Split Screen
- Remote Play Together
- Family Sharing





Release details
Planet Forge is a Simulation and Early Access game by Mr. BLender. Planet Forge came out on Friday, 16 October 2026 on PC. This date comes from Steam and was last checked on 16 October 2026.
Frequently asked questions
When did Planet Forge come out?
Planet Forge came out on 16 October 2026.
Which platforms is Planet Forge on?
Planet Forge is on PC.
Who makes Planet Forge?
Planet Forge is developed by Mr. BLender.
What kind of game is Planet Forge?
Planet Forge is a game of these genres: Simulation and Early Access.