Steam is a DRM system, but there are plenty of games on Steam that don't have DRM: if you copy a game directory out of the SteamApps directory and remove any St

Steam is a DRM system, but there are plenty of games on Steam that don't have DRM: if you copy a game directory out of the SteamApps directory and remove any Steam support files (usually the Steam Community DLLs), quite a few games run perfectly.