In the one in AC, the board that the chicken pecks at to choose his position is hidden behind a metal curtain (the whole thing, of course is behind glass). My first reaction was: the whole think is rigged! A PC lights up something behind that metal curtain that the chicken pecks at (for all we know it's just a single light-up button). When he pecks at it, the PC just makes the next move on the video screen.

If you go first in Tic-tac-toe you can always win or tie. Unless you intentionally lose the game...does anyone else smell something fishy?