In addition to producing best-selling entertainment titles, Valve is a developer of leading-edge technologies including the Source® game engine and Steam®, a leading platform for digital content offering thousands of games to millions of users around the world. In 2015, Valve introduced the Steam Hardware devices, a collection of hardware devices designed to extend Steam beyond the desktop. In 2016, launched SteamVR, a platform for the creation and distribution of leading edge VR products.