Kerbal.space.program.complete.edition.v1.12.5.3... Apr 2026

KSP teaches orbital mechanics. Players may experience failures, but successfully landing on Duna or establishing a refueling station around Jool provides a sense of accomplishment.

: Players can deploy scientific experiments and use robotic parts.

: Players can build rockets, planes, and rovers using a variety of parts.

Whether you are a seasoned rocket scientist or a newcomer still trying to figure out which end of the booster points down, the arrival of is a landmark moment. This version represents the pinnacle of a decade of spaceflight simulation, refined into the ultimate sandbox for exploration. Contents of the Complete Edition The "Complete Edition" includes:

: Players can re-enact historical space missions using parts inspired by the Apollo and Gemini eras.

The Complete Edition provides the tools for players to become interplanetary explorers.