Tower of Babel[a] is a puzzle-platform video game developed and published by Namco for the Family Computer in Japan on July 18, 1986.

While the game remained exclusive to Japan for several years, it received its first worldwide release on June 5, 2023 via Nintendo Switch Online, under the name Mystery Tower.

The player controls the protagonist, Indy Borgnine, who must avoid enemies while rearranging L-shaped blocks in order to reach each level's exit.

Development was done by Namco, and the project was planned by Hiroshima Nagashima, who had worked on the company's arcade game Sky Kid (1985),[2] the music was by Norio Nakagata, and the character design was by Hiroshi Fuji.

After reading some lost scriptures, he determines that the only way to see them is to travel to the very top of the 64-story Tower of Babel from the Book of Genesis of the Old Testament.