The goal of game is to eliminate all the icons(tiles) pair by pair by connecting deux same ones with a line, but be careful, this line can only have less than three 90 degree angle, that's the difficulty! You need to pass the easiest levels (level 1 2 and 3) to activate the level 4 5 and 6, the same, to accede to the final levels, you have to pass correctly the level 4 5 and 6...