Medieval Defense Z is one of Tower Defense Games that you can play on UGameZone.com for free. Medieval Defense Z puts a fantastic twist on the traditional tower defense games. Set in medieval times, the lack of plague has evolved into something horrible – now the dead are coming back to life and attacking the innocent! Using your tower, you must scour the land and destroy the dead. Your tower can be equipped with archers. These archers can be upgraded with the gold you earn. Upgrade their firepower, damage, and speed. Furthermore, you can upgrade the donkey that pulls your tower and your mighty king.