I'm a cheapskate so I ain't paying for my porn. Brief overview of collections.
Quality: Games which I have tested and enjoyed. Usually provided at least a few hours of enjoyment. Except Curly's Caves, I just like that one.
Just Sex: Don't expect much, if any, story or depth. Mostly interactive sex scenes or minigames.
Untested: Candidates for Pron, but haven't confirmed lewd content yet. I've got other things to do after all.
For other lewd content check the erotic, porn, hentai, and nsfw tags, lewd game jams, and other more porn focused websites.