Tetris has turned 30. The original game was created by a Soviet scientist Alexey Pajitnov in 1984. The game involves connecting a series of falling shaped blocks to create complete rows.
Tetris quickly caught on in the Soviet Union, but it was not until the late 80s that it saw commercial success. The game was licensed to Nintendo in 1989 and was launched on the Game Boy after that.
Around 35 million copies were sold and the Game Boy version became the 6th most sold video game of all time. In 2012, Tetris was played over one billion times. Tetris has been credit for improved brain functionality and for reducing post-traumatic stress disorder.
It also helps people stick to diets by distracting them from food cravings. Ubisoft is releasing Tetris for the Xbox One and PS4 soon.