Nightmare Mode looks at Polymorphous Perversity

An indie game where you must have sex in order to survive–brought to you by the controversial developer behind "Beautiful Escape," the game that put you in the shoes of a serial killer.

“You are, a young male with an unknown sexual disorder captured by some mysterious agency and thrown into a bizarre parallel reality where everything gravitates towards sex. You’re set on a sexual quest to explore unknown lands, meet strange people, and learn more about your sexuality.”