Number Twins is a game-play that challenges you with rotating balls and negative numbers. Your goal in this game is to click the balls according to the ascending order of numbers. At each level you will be given some balls, and each of the balls will be marked by a different number. Click to select the balls according to the ascending sequence of numbers. The amount of time you have spent will be displayed at the bottom of the screen, and extra bonuses will be awarded if you can finish a level with speed and accuracy.