Its primary purpose is to replace the standard steam_api.dll (or 64.dll ) file in a game's folder. This allows a game to run without the Steam client actually being open or even installed. It "emulates" the Steam backend, telling the game that the user is logged in and owns the license [2].
If you purchase Animal Well on Steam, you are buying a license. Valve can revoke that license. Some users argue that downloading a Goldberg repack after buying the game is a "backup." Legally, circumventing DRM (the Steam client) violates the DMCA (Digital Millennium Copyright Act) in the US, even if you own the game. animal wellgoldberg repack