Version 1.5.9.8 builds upon the massive "1.5" foundation, which overhauled the game's engine and part systems.
Explore a realistically scaled solar system including Earth, the Moon, Mars, Venus, and even Jupiter (with the Planet Expansion). Spaceflight Simulator Free Download (v1.5.9.8)
Experience realistic orbital mechanics and 2D flight physics. If your trajectory isn't right, you won't reach orbit. Version 1
Use a wide array of parts—engines, fuel tanks, fairings, and capsules—to design custom rockets. Spaceflight Simulator Free Download (v1.5.9.8)
Note: The mobile version is free-to-play with optional paid expansions for extra parts and planets.
Join thousands of other engineers on the Official SFS Discord to share blueprints and mission ideas. PC System Requirements
