To be honest, I barely know about VPet-Simulator. It's just the "game" looks cute and I think it would liven up the desktop pretty great. But unfortunately, I can't find the "game' easily outside of Steam. There's actually one in GitHub, but it's just a pain to "assemble" it from there. Therefore, this is why I dreamlist VPet-Simulator in GOG.com. For easier access.