Gizmodo Monday Puzzle: The World’s Simplest Game With a Massive Twist
Although most view tic-tac-toe as a kid’s game, puzzle designers see it as a canvas. I think the game’s simplicity almost taunts people—is a 3x3 grid with only two possible symbols really going to stump you? Yet members of the puzzle community continue to devise ingenious little twists to keep the game fresh and…