It's very very fun it's like a roleplaying game but without those annoying rolls of dice and interpretation..
You are a group of adventurers entering a dungeon and slaughtering every critter you found and looting every treasure they had ^^ whoever kills a monster go up a level, and the first to reach level 10 wins the game. It's one of my favorite card games not too long to play (usually about an hour) and ver very fun, the card's are illustrated by
John Kovalic. Well hope you like it.
In wikipedia (as always) are more info for this game
http://en.wikipedia.org/wiki/Munchkin_%28card_game