Today, the game has sold 125 million copies. Tetris was created at the height of the Cold War in 1984. And, where most companies are spending millions of dollars developing new games, Tetris is a title that has stayed around for 25 years as a worldwide sensation. The game’s creator, Alexey Pajitnov, credits the game’s success because it is considered “easy to play but hard to master,” and it does not involve violence or other bad behavior. Electronic Arts, who holds the exclusive license on mobile devices for Tetris, hopes to see the franchise continue to grow. Read more…