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Or are they different?

Also, does the GOG version have the latest update (from Jan 31, 2022)?
Not sure about the achievements, but the offline installer is still 1.1.4.5.
Thanks for letting me know about the latest GOG version!
Not sure if still important, but today we got the update to version 1.1.5.6. At least for offline installers (although I doubt Galaxy is behind).