It is called Munchkin, put out by Steve Jackson Games. It is essentially Dork Tower the game. You can fight snails on speed and gelatinous octahedrons and shrieking geeks and 3782 orcs and...and....
"You cannot run from the Gazebo. You must fight."
but, huzzah! I have Flaming Armor and an Eleven-Foot Pole and a Horny Helmet! I shall smite it!