Tetris is 25 Years old today. Alexey Pajitnov created Tetris on June 6th 1984, while he was working for the Dorodnicyn Computing Centre of the Academy of Science of the USSR in Moscow. If you really liked Tetris as a kid check out Tetris Online Games. They have multiple version of the game and. they have Tetris 1989, it looks like you are playing it on a Nintendo Gameboy.