It took six days for the scientists to complete the game. Eventually, X emerged victorious Caltech The world’s tiniest game of Tic-Tac-Toe is played using DNA and takes six days to complete, but the ...

Ron Bergan, a longtime Fargo entrepreneur, plays the latest game he invented, “Tic Stack Toe,” with his neighbors Harper, A.Z. and Sloan. The game is available locally.

Games are a bottomless reservoir of puzzle inspiration. This is because games and puzzles both tend to be founded on a concise set of logical rules. This week’s puzzle concerns one of the simplest ...