Thirteen Cards, also known as Tien Len, Southern Poker, is a card game popular in many parts of Asia. Thirteen Cards is a game intended and best for four players. This app is an offline, internet connection and deposite are not needed, it help you practise skill with professional computer players. INSTRUCTIONS The objective in playing is to get rid of all the cards before your opponents do. While the game rule is simple, there are many twists and turns that make a unique and challenging game.