The game: Tetris for the Nintendo Entertainment System. The players: the best in world (most of whom weren't even alive when the game came out). The tournament: Classic Tetris Monthly, the biggest, best, and longest-running online Classic Tetris tournament now in its fifth year! CTM is a training ground for future World Champions.

The top 16 qualifiers in the world will compete in a single-elimination, best-of-five tournament. It's the most competitive monthly Tetris event in the world, with records being set nearly every month.