Oh, I thought that was a rhetorical question.
The classic version is an arcade/puzzle game (Tetris, Sokoban, Bomberman, Poker) + striptease.
There could also be a fighting game with big breasts where the fewer lives you have, the less clothing you wear. And the fatalities aren’t about killing at all.
A beat 'em up like Double Dragon but surrounded by beauties, with spicy ways to finish off enemies. Maybe the city has been attacked by BDSM feminists armed big long items.
A brothel simulator — a side view of rooms where pixelated people earn money for you.