A variety of card games are also available to play. Mahjong is a tile-based game that was developed in the 19th century in China and has spread throughout the world since the early 20th century. It is commonly played by four players. The game and its regional variants are widely played throughout Eastern and South Eastern Asia and have also become popular in Western countries. Similar to the Western card game rummy, Mahjong is a game of skill, strategy, and luck.