Spacemen
Spacemen is an independent multi-platform space exploration game, based in a procedural persistent universe, with modable content, explorable seamless...
Space Engineers
Space Engineers is a sandbox game about engineering, construction and maintenance of space works. Players build space ships and space stations of vari...
Source Filmmaker
The Source Filmmaker (SFM) is the movie-making tool built and used by us here at Valve to make movies inside the Source game engine. Because the SFM u...
Solar 2
In most games you see stars in the background, you shoot asteroids or you live on planets. But in Solar 2 you ARE these objects! Enter a universe wher...
SNOW
SNOW is the only free-to-play, open world, winter sports game. Explore a massive mountain, customize your character with clothing and equipment and co...
Sky Nations
Sky Nations is a multiplayer sandbox game set in a world of floating islands and air ships. Players can construct air ships as they adventure across p...
Sky Break
Sky Break is an open-world game on a stormy abandoned planet filled with wild mechas. Learn to master this world and to hack the mechas if you want a ...
Ski Resort Tycoon
The player must successfully create and run a ski resort. The player is able to add a variety of structures including skilifts, lodges, bathrooms, war...
SimTower
SimTower: The Vertical Empire (known as The Tower in Japan) is a construction and management simulation video game developed by OpenBook Co., Ltd. and...
SimplePlanes VR
SimplePlanes VR is a flight sim with an ever-expanding collection of hand-crafted aircraft to download and fly for free. Airplanes, helicopters, cars,...