Laboratory Kiss is a game where you have to help two very young chemistry students kiss each other behind their teachers' back. The chemistry teacher will ramble off a series of chemical equations and every time he stops, he will do one of a few things: he will turn to look at you, in which case you do NOT kiss! Sometimes he looks the other way, in which case you can get in a smooch or two. Sometimes he starts shaking his flask of green chemical and will either laugh or close his eyes. Your goal is to get in as much smooching as possible before he catches you!