Many games on GOG are at the tail end of their sales cycle (i.e. were released on Steam long ago) trying to eke out a few more sales, are from small indies for whom any attention at all is good attention, or are very old^H^H^Hclassic games that garner purchases for nostalgia's sake by older gamers that can afford more discretionary spending.

And many aren’t.

I bought Factorio early access on Gog, and Timberborn, and Loop-Hero.

This is a really old question and a really old solution.

It turns out that piracy is actually a service problem. Services like Steam and GOG provide a decent enough service that piracy becomes less common.

1) Modern games are enormous and as long as services like GOG let me re-download my library it frees up literally terabytes of space on my disk array for pirated movies and other things that benefit far more from piracy than games do.

2) I don’t want viruses. I don’t want viruses more than I want to avoid paying $1-$20 for a game (as if I’m anywhere near caught up enough on my backlog of games from the last 40ish years for buying games at full launch-week price to ever make sense, lol, I do that like… once every several years, all the rest are very cheap)