What platform are you on? Can you share the games that you’re having issues with? You may have to reach out to the developers to learn more about debugging the problem.
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I'm on Windows (10 I believe) and I assumed it wasn't a development problem. All the games were from different developers, so I assumed it had to be something I was doing or something with my computer (not discounting what you're saying, just explaining my thoughts). Two of the games were Monstrata Fracture and The Heart of Tales. I don't remember the others, I think I must have assumed I couldn't play them and deleted them from my collections.