I know about heroic but gog does not care about anything other than windows. Linux support for gog galaxy has been the most requested feature for years and nothing is happening. Instead the work falls back to the community
Most people who liked balatro will probably also find dungeons & degenerate gamblers interesting which is coming out tomorrow. It’s a similar take on blackjack but with a few other ideas mixed in. I’ve played the demo and I’m looking forward to the full version