Goldberg Emulator is a program designed to emulate the functionality of the Steam service in order to play Steam games without a connection to Steam's servers. It was created by Filip Goljon because he wanted to have the freedom to play Steam games offline or on an unsupported platform.The emulator provides many key features of Steam while allowing offline use of Steam games that usually require an internet connection and logging into a Steam account. This includes features like cloud saves, achievements, friends/chat, and more.Some technical details: the emulator requires having the Steam client installed and owning the game you want to play offline. It does not crack or bypass ownership checks - it simply spoofs Steam APIs to trick the game into thinking you're logged into a Steam account. This allows legitimate owners of Steam games to play their library offline.Overall, Goldberg Emulator expands access and options around Steam games by providing an offline, DRM-free experience while still retaining many of Steam's features like cloud sync. It can be useful for playing games while traveling, on inconsistent connections, for preservation/archival, or on alternative OSes that Steam does not officially support.