Munchkin: The Red Dragon Inn - Rules of Play says:
Munchkin: The Red Dragon Inn brings the characters from SlugFest Games' The Red Dragon Inn series of games to the world of Munchkin. This mini-expansion of 29 cards features Monsters, Treasure, and new Drinks to consume — a variation on one-shots — as well as a special Munchkin-sized promo Prize card for The Red Dragon Inn.