Underground Exploration is a non-graphical game where players form a party of 4-5 adventurers, fight monsters, collect treasures, and purchase weapons. The game uses text-based commands and a time-passage system. Arguably the first RPG to be produced in Japan.

Underground Exploration is a non-graphical game where players form a party of 4-5 adventurers, fight monsters, collect treasures, and purchase weapons. The game uses text-based commands and a time-passage system. Arguably the first RPG to be produced in Japan.