Atlantis Onet is a 2-matching puzzle game with lots of challenging levels specially designed for people that like free matching tile games.

Find two identical tiles than can be connected with three or less straight lines and there is no other tile blocking the line path. The level is over if future moves are not possible because some pieces obstruct the rest and any tile are left on the board. If you successfully remove all the tiles you'll go to the next stage, as in Shisen Sho or Pao Pao games.