A few of these are still for sale on gog.com and should probably be removed as you say it doesn't seem super legit right now. If I was the author, I'd make it

A few of these are still for sale on gog.com and should probably be removed as you say it doesn't seem super legit right now. If I was the author, I'd make it clear it's all demo versions and actually source these versions instead of full games. Shows the proof of concept without entering legal issues.