It's not just a single player game, there are ways to play Tetris head-to-head against another player. Here you get to play it online and for free! After getting millions of impressionable kids addicted to this game, by way of the game boy in the 1990s, Tetris has left an indelible mark in the collective memory of the genre. All the while hoping to fill up a horizontal line to make room for all the other blocks still waiting to come down. Who can forget the jaunty melody running in the background as you drop blocks down the screen. Tetris is one of the most iconic and best-selling games of all time.
