Spaceflight Simulator Free Download (v1.5.9.8) (2025)

Version 1.5.9.8 builds upon the massive "1.5" foundation, which overhauled the game's engine and part systems.

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) Spaceflight Simulator Free Download (v1.5.9.8)

Purchase the full version on Steam . This version typically includes all expansions in a single purchase. Version 1

Master the Cosmos: Spaceflight Simulator v1.5.9.8 Download Guide If your trajectory isn't right, you won't reach orbit

Experience realistic orbital mechanics and 2D flight physics. If your trajectory isn't right, you won't reach orbit.

Explore a realistically scaled solar system including Earth, the Moon, Mars, Venus, and even Jupiter (with the Planet Expansion).

Note: The mobile version is free-to-play with optional paid expansions for extra parts and planets.