For a long time there wasn’t even a way to filter them meaningfully, as porn and gore were in the same category. So you either had the default filter and couldn’t see some of the most violent games, or you turned the filter off and every listing turned into 90% porn games. I think they realized that and now have separate categories for “adult because gory” and “tits”.
Steam is full of anime porn games.
For a long time there wasn’t even a way to filter them meaningfully, as porn and gore were in the same category. So you either had the default filter and couldn’t see some of the most violent games, or you turned the filter off and every listing turned into 90% porn games. I think they realized that and now have separate categories for “adult because gory” and “tits”.