Triskadecaphobics beware! Play against your friends or an adaptive AI. Start with 13 markers and take turns removing 1, 2 or 3 at a time. Take the last marker to win!
Triskadecaphobics beware! Play against your friends or an adaptive AI. Start with 13 markers and take turns removing 1, 2 or 3 at a time. Take the last marker to win!