UnConventional Odyssey is a game about three (or five) Vampire LARPers whose car breaks down on the way to a convention. They then encounter a wide variety of people and not-people (such as zombies), most of whom are useless in their quest to get to the con. These latter characters are the "Horde". The game requires anywhere from five to twelve players, as well as two hours of actual play time. All characters are designed to be as gender-neutral as possible, but since romantic liasons are a big theme of the game, be sure people are comfortable with the possible "pairings" that might result.
Two versions of the game are available for download. The second was optimized for printing and sorting by by Andrew Zorowitz.