[Circuitchef] used gates and a few flip-flops to build a two-player electronic Tic-Tac-Toe game ... the ‘Winner’ LED with the right color. If all boxes are lit up and none of those ...

MENACE, the Matchbox Educable Noughts And Crosses Engine, is a fancy name for a machine that plays Tic-Tac-Toe. The concept ... into a partition in the box. The color/type of bean corresponds ...