Which game dates back to at least the Roman Empire: Nine Men's Morris, or Icehouse pieces?
Nine Men's Morris Nine Men's Morris is a strategy board game for two players dating at least to the Roman Empire. The game is also known as Nine Man Morris, Mill, Mills, The Mill Game, Merels, Merrills, Merelles, Marelles, Morelles and Ninepenny Marl in English. The game has also been called Cowboy Checkers and is sometimes printed on the back of checkerboards. Nine Men's Morris is a solved game in which either player can force the game into a draw.
Chinese checkers Chinese checkers (US and Canadian spelling) or Chinese chequers (UK spelling) is a strategy board game of German origin (named "Sternhalma") which can be played by two, three, four, or six people, playing individually or with partners. The game is a modern and simplified variation of the American game Halma.