The best thing about GOG is the ability to never use a client or launcher at all. The ability to just download the installers from the website and store them locally means that your GOG games will outlast the following: GOG as a company enshittifies, GOG as a company dies, your account gets banned from GOG, you lose access to your GOG account, your favorite game gets a game-ruining update from its developer, some song license expires and devs are forced to patch or pull the game…
The best thing about GOG is the ability to never use a client or launcher at all. The ability to just download the installers from the website and store them locally means that your GOG games will outlast the following: GOG as a company enshittifies, GOG as a company dies, your account gets banned from GOG, you lose access to your GOG account, your favorite game gets a game-ruining update from its developer, some song license expires and devs are forced to patch or pull the game…
Ironically, I’d say the launcher is the best way to download all your offline installers
Download them once from the website, store them on a resilient NAS, never worry about your shit getting patched or losing it again.