Sixteen Stone is an abstract strategy game played on a 5x5 grid. Each player has 8 stones in either red or blue. The objective of the game is to remove all of your opponents stones from the board by either pushing them off of the board or by capturing them. Sixteen Stone was placed into the Public Domain on 12/3/2015 by the Designer. It is featured in the 2018 Green Box of Games Design Contest expansion rules booklet.