Adventures Of Guy - You are Guy. The Great Wizard wants you to help him get rid of the creatures.

Instructions: The Great Wizard of the Magical Land is too weak to destroy all of the creatures that have invaded the land by himself. You have the physical strength to get rid of these pests. So you just volunteer yourself for the job. Anyway, You have to get fifty magic stones for the wizard. These stones will enhance his magic abilities; giving him the power to destroy the creatures...It will also take care of other business...