The most appropriate beverage for this Let's Play would, of course, be some sort of Pepsi (or at least a PepsiCo product), but you could also go with the major competitor and drink Coca-Cola. Or drink some other company's cola. Or a non-cola soda that has nothing else to do with any of it. Of course, if you like the Pepsi (or whatever cola) idea, but want to retain the original idea of drinking alcohol, you could use the cola as a mixer... * Take a drink every time one of the Freelance Astronauts says "Pepsi".