Steam is a igital distribution, digital rights management, multiplayer and communications platform developed by Valve Corporation. It is used to digitally distribute and manage games ranging from first-person shooters and RPGs to racing games and cross-genre independent titles. Among its clients are Strategy First,PopCap Games,THQ,2K Games, Activision, Capcom, Codemasters, Eidos Interactive, Firaxis Games, id Software, Ritual Entertainment, Rockstar Games, Sega, Take-Two Interactive, Epic Games, and Ubisoft. As of January 29, 2008, over 250 games are available on Steam, and as of February 7, 2008, there are over 15 million accounts.