Press start. When it asks if you have it memorized do a lowercase 'yes'. When it asks what number is in the spot, slot one is on the left, two in the middle, and three on the right. Type the number in like, 1, 2, or 3 when it asks what number is in each slot. It will speed up and the score is determined by which numbers you got correct. 1 gives you 1 point, 2 gives you 2, and 3 gives you 3.