Thirty One Rummy is the BEST Thirty One game created for Android. Also known as Blitz, Big Tonka, Scat and Cadillac, our new version of Thirty One is sure to keep you entertained for hours. Thirty One offers four levels of difficulty, 3 unique game modes as well as extensive statistics tracking. It is an unparalleled game play experience. Also connect to Facebook to store your statistics and progress in the cloud. Personalize your game, earn experience with every game, and share your progress between all your devices. Features: Realistic gameplay and graphics. Intuitive single player gameplay. 4 difficulty options. 3 game modes: Thirty One, Cut Throat and No Elimination. Extensive Statistics, including games and blitz tracking. Facebook integration - personalize your game and save your progress.