There's a famous VN where you fuck an eldritch chaos god from space. That ends well for no one, except Gen Urobuchi, who somehow turned it into the start of a career.
A Grinning DM
: thinking about it I'm pretty sure you could classify Doki Doki Literature Club as a dating sim where you defeat an eldritch chaos god from space computers
tbh, it would be a legitimately cool hook if you're playing regular tetris or whatever and then glrythoth is playing with completely different pieces and/or mechanics on the other side of the screen
spacecomputers