From February, 27th, 2023, you can also get SureAI titles on GOG!
These will be Dreadful River EA, Mad Restaurant People, as well as Enderal Special Edition and Nehrim (for the last two you need to own Skyrim SE or Oblivion on GOG respectively).
You can already download
the
demo of Dreadful River from GOG.
and the
demo of Mad Restaurant People
for free!