Numbers is a game of random and numerical memory. Each level, by matter of random, has a button that when is pressed takes you to the next level. However, if you press the wrong button you will return back to level 1 and you will have to start again. As you progress you will have to remember which button is the correct button in each level and which is the one which takes you back to the begining again. Each level has one more button than the previous one. This means the increase of the difficulty and exercising the memory.