Wandrium 1 Arena of The Mad Overlord is a 3D dungeon RPG game available on iPhone. In this game, players will embark on an adventure to explore a dungeon and defeat monsters to obtain valuable items. The ultimate goal is to defeat the boss monsters that reside on the lowest level of the dungeon.

The gameplay is turn-based, with players using simple commands to engage in battles. Players can create their own character from a selection of 9 classes, 5 races, and 3 attributes. To overcome the challenges in the game, players will need to form a party of six people and venture into the depths of the underground labyrinth to confront an evil wizard.

One of the notable features of Wandrium 1 Arena of The Mad Overlord is the auto mapping system, which helps players navigate through the dungeon. In order to access the auto mapping feature, players must either learn the spell "MAPPER" or purchase a "map of the scroll" from the in-game shop.

It's worth noting that the game does not include background music or detailed monster graphics. However, there are occasional advertisements displayed throughout the game. Wandrium 1 Arena of The Mad Overlord is available as a free app.