Torneko No Daibouken: Fushigi no Dungeon is a role-playing video game for the Super Nintendo Entertainment System. It is a dungeon crawler game, presenting an overhead view, inspired by the game Hack. The protagonist, Torneko, enters a mysterious dungeon to collect treasures, including weapons, shields, spell scrolls, staffs and herbs. The adversaries he encounters are typical of the Dragon Quest series. The collected items can be sold outside the dungeon which helps to upgrade Torneko's shop and home. The gameplay involves progression which allows Torneko to store and carry special items during his consecutive dungeon expeditions.
Torneko No Daibouken is a overhead view game similar to Hack, what might be called a "dungeon crawl". Torneko must venture into the mysterious dungeon gathering treasure. He may equip any weapons and shields he finds there, as well as gather up items such as spell scrolls, staffs and herbs with a variety of effect. A variety of enemies, familiar to the Dragon Quest series, await him. If Torneko successfully exits the dungeon, he is able to sell any of the items he has collected. This money then goes to improve the quality of his shop and living quarters. As the game progresses, Torneko is able to store special items in the vault, which he is then able to bring with him on subsequent trips to the dungeon.