It's been a whole 25 years since Alexey Pajitnov dreamt up Tetris in a Soviet think tank.

Taking just a couple of weeks to dream up it's since sold more than 140 million copies around the globe and is available on everything from computers to phones and video-game consoles.

Check out the first version of Tetris released, launched in Japan in 1988:

Remember the original Game Boy version from 1989?

The Human Version!