Each match gives you a point, for each non match, the cards flip back over. Remember what cards you have flipped - it will save you precious time as the timer counts down. If all matches are made, you receive full points, plus extra points based on how quickly you made the matches. There are ten levels to master - with each level there is less and less time to memorize the pairs. How good is your short-term memory? Do you have a photographic or eidetic memory? Put it to the test in this exciting 5 minute game, perfect when you need a challenge to kill some time.