Flipping coins for heads or tails can be seen as a two-value version of Rock Paper Scissors, and so we can bring the design logic of our...

This is a Ken game based on the traditional Australian gambling game of Two-Up. Following the enthusiastic reception of our Two Down...

This is a game based on a problem in a 1970s textbook. It is a ken game (rock-paper-scissors game) of deceptive complexity. It has only...

This is a version of our coin-tossing Ken game, Two Down, based on the silver tetradrachm, first minted around 510 BCE, that featured the...

In 2005, the prestigious auction houses Sotheby's and Christie's found themselves in a peculiar situation. Both wanted the rights to...