Cho-Nazo-Oh Japan

Cho-Nazo-Oh is another quiz game and is the sequel to Nazo-Oh, this time the player takes the role of a young boy that lives in the future where a computer governs the land from a tower, the people of the land tried a lot of times to send people there to defeat the computer but noone that had entered the tower had exit alive...So the commander of the forces that are trying to destroy the computer got now only one assassin left, that is the player's character.