It tests your memorization skills by flashing lights and emitting sounds.First, you need to pick a level of difficulty. You can do this by selecting it from the menubar. Then, hit the "Let's Go!" button and memorize the played sequence.After the sequence is done playing, click the boxes in the same order as was played to you. After successfully doing this, two notes will be played, and the sequence will be played back to you, this time with an added box.After this, click the boxes in the same order.......and so forth, you get the idea. If you repeat the sequence incorrectly, a sound will make you feel so bad about yourself that you'll be forced to play another game.