Play online Mahjong Slide for free, or other great free online mahjong (majong, mahjongg, mah-jong) games. There's tons of free online games out there but have you been looking for one that will definitely give your brain a workout? If so, look no further than MahJongCon. Mahjong fans can have more tile- matching fun by only matching tiles that are not blocked Slide the identical blocks together to remove them from the board. The goal is to match open pairs of identical tiles and remove them from the board exposing the tiles under them for Free Mahjongg game MAHJONG SLIDE.