Heroic music sounds, which means that our hero Ben 10 will have to fight again with aliens in Ben 10 Spot the Difference, who want to harm the earthlings. But you can do your best and help the hero in his battle. In this case, you do not need to expose yourself to danger and risk your life. All you need is your attentiveness, keen eyes and concentration. In the allotted time, which decreases on the scale at the bottom of the screen, you have to find seven differences between the pictures and mark them by clicking. Three wrong clicks and the level will fail, so don't rush to Ben 10 Spot the Difference.