Yup 😉
It’s a unit that’s been adopted by many technical mods, and conveniently sidesteps the issue of what the actual unit is by using the bucket as a reference. After all, in the wacky world of computer game, the actual measure doesn’t matter, so long as it’s consistent.
Except you might want a client, both to keep your games in one place, and for extra features it can provide (like cloud saves and updates) - and if you’re on Linux, you’re excluded from that kind of stuff on GOG.