Qwirkle is a tile-based game for two to four players, designed by Susan McKinley Ross and published by MindWare. Qwirkle shares some characteristics with the games Rummikub and Scrabble. It is distributed in Canada by game and puzzle company Outset Media. Qwirkle is considered by MindWare to be its most awarded game of all time. In 2011, Qwirkle won the Spiel des Jahres, widely considered the most prestigious award in the board and card game industry. A sequel, Qwirkle Cubes, was released by Mindware in 2009.