While GOG continue dragging their feet on supporting Linux with GOG Galaxy, you can use the useful Minigalaxy client which is free and open source.
It works pretty great too, doing the majority of what you need with downloading and installing games you own from GOG onto your Linux installs. Minigalaxy 1.0.1 is mainly a bug fix release following on from the stable build that went out late in November 2020.
It can be used for both supported / native Linux builds, and you can also install Windows versions with the Wine compatibility layer. You can also set it to use your system build of DOSBox and ScummVM for those titles GOG have that use them. Overall, it's much nicer than manually downloading and keeping things up to date individually.
Here's what's changed:
- Open maximized if the window was maximized when last closed (thanks to TotalCaesar659)
- Kept installers are now stored in ~/.cache/minigalaxy/download
- Fix about window displaying wrong version number
- Fix show store page button not showing anymore (thanks to makson96)
- Fix the download manager crashing when an installer has been damaged during downloading (thanks to makson96)
- Fix games showing an update is available while the latest version is installed (thanks to makson96)
- Fix loading the library taking a long time when many games are installed (thanks to makson96)
- Fix Gex not launching
- Add the following translations:
- Swedish (thanks to Newbytee)
- Update the following translations:
- Polish (thanks to ArturWroblewski)
- Russian (thanks to TotalCaesar659)
You can grab Minigalaxy from GitHub.