Use a wide array of parts—engines, fuel tanks, fairings, and capsules—to design custom rockets.
Master the Cosmos: Spaceflight Simulator v1.5.9.8 Download Guide
Join thousands of other engineers on the Official SFS Discord to share blueprints and mission ideas. PC System Requirements
Spaceflight Simulator (SFS) remains one of the most accessible yet deeply realistic rocket science games available today. Whether you're aiming for a stable Earth orbit or planning a complex multi-stage mission to the moons of Jupiter, version 1.5.9.8 continues the tradition of precision-based exploration. Where to Download Spaceflight Simulator (Official)
Note: The mobile version is free-to-play with optional paid expansions for extra parts and planets.
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).
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