SOS game is now on App Store. SOS is a puzzle similar to tic tac toe or XOX but it is a more advanced one and requires more strategic thinking and attention. Enjoy SOS game for free! Achieve a high score and it will be published on the online leaderboard. How to play SOS game? - You can play this game against your IOS device. - SOS is played in turns. - You can watch your turn from the top panel. - When it is your turn, tap on a tile where you want to put a letter. - Select S or O letter from the dialog. - If you complete an SOS, vertically, horizontally or diagonal, it is your turn again until you cannot make an SOS. - Then other player takes the turn. - You get 1 point for each SOS. - Player who makes more SOS wins the game. - Depending on the your SOS series and combos, your final score will be calculated and sent to online leaderboard if you signed in to Game Center. Enjoy!