Green Glass Door
This game is kind of a puzzle; once people have figured it out, you can't play it anymore of course, but it's great if no one has heard of it.
How to Play
Players must guess what they can take through the green glass door, and if they guess wrong, they have to drink. The only things they can take through the door are words with repeated characters in them somewhere. For example, acceptable words include: rabbits, kittens, beer, squirrels, cheese, poo, sleeves, pillows, cigarettes, booze, etc.