Shisen-Sho is a classic Mahjong Connect game. Connect 2 of the same free tiles with a path that has no more than two 90 degree turns. Clear the board before the timer completes. Combine the shishen tiles through the same classic type of mahjong games. Shisen-Sho, sometimes referred to as 'Shisen', 'Four Rivers' or simply 'Rivers,' is a Japanese tile-based game which uses Mahjong tiles, and is similar to Mahjong solitaire.. Tile are like flowers, Japanese text, numbers and shisen symbols. Connect same tiles which are free tiles and should not be blocked around with any other tiles, as you play through classic game mechanics which have been tested and approved for hundreds of years by dozens of generations. Mahjong is truly a timeless game and by adding its mechanics. Have Fun. Play this game on both mobile and Pc.