De-Ranged has everything you love about Munchkin, including:

A new Class! Rangers can tame monsters and ride them!
Treasure! Track down the Philosopher's Scone, put Racing Stripes on your Steed, and fill your Canteen of Spleen with Carbonated Holy Water!
Monsters! Beware the Telemarketer, the Poultrygeist, and the Undead Clowns.
And more monsters: imports! That's right, unique monsters created by the European Munchkin publishers, available for the first time in English. Quake in fear at the Brothers Grimm and the Snerks! Or just kill them and take their stuff. Your choice.

Munchkin 5 De-Ranged. All the munchkin-ism of a prestige class, with none of that annoying roleplaying stuff.