"Planet Gravity - SimulateOrbit" is a physical-based game available on the iPhone platform. The game allows players to simulate asteroids flying through space and gradually create their own solar system.

With each level, players are presented with missions to complete. The main objective of the game is to increase players' interest in the universe while providing an enjoyable way to pass the time.

For those who prefer to freely create their own universe, the developer suggests two other games available on the App Store: "myDream Universe" and "Sandbox Planet."

Overall, "Planet Gravity - SimulateOrbit" offers a unique and immersive experience for players interested in space exploration and simulation.