You are awaken without any memory of your past. You don’t know where you have come from, you don’t even know your name. You are found by a kind-hearted little girl who brings you to the best swordsman on the Western Continent. You live happily. But you know that you’ve had a life before that. You are determined to discover your true identity. You travel to the Eastern Continent, hoping to find someone who knew the real you. But you don’t know yet that your story is entwined with the fate of the entire world…
Ōdō Yūsha is a RPG with the single hero (default name Zanba) fighting enemies, collecting treasure, and leveling up. Dialogues and cut scenes are displayed as text super-imposed on still anime-style pictures, like in Japanese adventures. Once in exploration mode, the screen is divided into a large auto-map, statistics screen, and a small window that shows pictures of the location the hero is currently in. The turn-based battles (occurring at set points) are viewed from a side view, like in fighting games, with the health bars of the hero and the opponents displayed above. The hero can attack, use items, or charge to execute a stronger attack.
The game contains scenes with nudity and sexual content.