It is about discovering all the pairs of letters or numbers or symbols, depending on the option chosen, turning all the tiles, discovering one by one, the pairs, discovering a tile (turning), and then discovering its pair.
Click on the tile to turn and then click on the other tile to turn, if the chosen tiles correspond, then the tiles will remain visible, otherwise they will be turned over again.
Memorize the place and the letter, number or symbol of the chosen tiles, memorizing will facilitate the resolution of all pairs in the least number of attempts, if the number of attempts is less than 60, the result obtained is excellent, if the number of attempts is less than 80, the result obtained is very good, if the number of attempts is less than 100, the result obtained is good.