The aim of the game is to match the hide picture pairs.
when clicking on a question mark a card is uncovered.
When the next card is matching, you have found a pair.
That pair stays uncovered.
If the two cards are not matching, it is being covered up again.
The game is finished if you uncovered all pairs.
Try to do it with as little tries as possible.
you can also find on froxot.de a Nintendo 3DS Memory browser game