Tetris is a puzzle video game originally designed and programmed by Alexey Pajitnov in the Soviet Union. It was released on June 6, 1984, while he was working for the Dorodnicyn Computing Centre of the Academy of Science of the USSR in Moscow. He derived its name from the Greek numerical prefix tetra- (all of the game's pieces, known as Tetrominoes, contain four segments) and tennis, Pajitnov's favorite sport.

The Tetris game is a popular use of tetrominoes, the four element special case of polyominoes. Polyominoes have been used in popular puzzles since at least 1907. The game is available for nearly every video game console and computer operating system, as well as on devices such as graphing calculators, mobile phones and portable media players. It has even been played on the sides of various buildings, with the record holder for the world's largest functional game of Tetris being an effort by Dutch students in 1995 that lit up 15 floors of the Electrical Engineering department at Delft University of Technology. Tetris was hugely successful as a handheld version for the Game Boy launched in 1989 that established the game as one of the most popular ever. It has sold more than 70 million copies. In January 2010, it was announced that Tetris has sold more than 100 million copies for cell phones alone since 2005.

TETRIS by Electronic Arts is an iPhone application available for download through the iTunes App Store for £1.99/$2.99. Listen to the original TETRIS theme song while you get that retro feeling of a game that is timeless. Play the classic mode or test you skill with the endless mode. There is also an option to play other games like Magic Mode, featuring five astonishing power-ups: Wrecking Ball, Minimizer, Bubble Wrap, Magic Crayon and Smashdown. Play your own tunes or select the fan favorite "Korobeiniki" in the options menu. Slide, rotate, and drop your Tetriminos into place and achieve the highest score. This is a game you know you will not be able to put down once you have started

TETRIS for iPad by Electronic Arts is accessible for £5.49/$7.99 at the App Store. Play the biggest blockbuster game ever, designed for the iPad with bolder, brighter HD graphics, plus all-new intuitive controls and features. Use the new D-Pad for maximum control and play along to the original Tetris music. Unlock the never-ending Marathon Mode and play for as long as you want. With great graphics, you can also play in Magic Mode, featuring 5 eye-popping power-ups – Wrecking Ball, Smashdown, Bubble Wrap, Magic Crayon, and Minimizer. Made to maximize the revolutionary Multi-Touch screen, the D-Pad is an easy to use feature that will keep you occupied for hours.

Have fun playing the highly addictive Tetris knowing that only some games stand the test of time and Tetris is one of them. Set up situations where you can get four rows with one long shape and watch your score fly up. Do you think Tetris is one of the best original puzzle games made?