Start the game by choosing "Easy", "Medium", or "Hard", from above! The object of the game is to match up the numbers hiding behind all the squares. Try the "Hard" mode if you think you have a great memory.
Click on 2 gems to make them switch places and find 3 or more gems of the same color. The more gems you align the higher your bonus points will be. Watch for Target Gems on each level. Get enough of the target gems and you will advance to the next level.