Mahjong game where you have to slide tiles and let them collide. Mahjong Collision is a free-to-play puzzle game. Mahjong Collision can be played in windowed mode or full screen mode (press FULLSCREEN button). Remove all tiles from the board by colliding 2 of the same tiles. Swipe to move a tile. Play Mahjong Collision online both on a mobile device (iOS/Android), and a desktop computer (PC/Mac).