And once you get the hang of it, it's actually quite fun!
We're talking about mahjong. Four people racing to get a winning hand of tiles.
Alyssa Gross, founder of Mahjong Society and author of Play Mahjong, joined ABC7 to talk about how the game works, how long it usually takes and bout the Mahjong Society and the community built around the game.
For more information, visit https://themahjongsociety.com/.