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Planet Forge

Coming soon

Mr. BLenderDiscovered Sep 25, 2026

About the game

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.

Original Steam description

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.

Demo and release information

No demo is verified in the current check data. This does not mean the game has never had a demo; check its Steam page for current availability.

Steam demo, playtest and Early Access: what is the difference?

Information & artwork: Steam · Last checked UTC