>>20818
Not that guy but I don't see why that'd be an issue. The only reasons Unity sees such wide use because it's easy to use (from what I hear anyway), and more importantly, it's free unless you go for the pro edition. There's no reason why UE4 could not be used for H-games, it's a game engine too. In fact, as far as I know, there are some H-games made in UE4 already.