Take full control over your ship’s setup to execute complex flight maneuvers.Build spaceships, rockets, and vehicles using any imaginable combination of parts, each with their own function that will affect the way your spacecraft behaves.In Sandbox, you are free to build any spacecraft you can think of, with all parts and technology in the game. In Career Mode, oversee every aspect of the space program, including construction, strategy, funding, upgrades, and more. In Science Mode, perform space experiments to unlock new technology and advance the knowledge of Kerbalkind. Kerbal Space Program features three gameplay modes.