Wizardry III - Diamond no Kishi

Wizardry: Knight of Diamonds is a role-playing game in which the player forms a party of up to six characters from different classes and gains experience through random encounters in a 3D wire-frame maze. The party must explore hidden doors and secrets while descending into a six-level temple to find the Staff of Gnilda; mapping each floor helps with navigation. The Game Boy Color release is based on the redesigned version, which supports new parties and uses non-linear maps.