CircleZ is a free game to play online. Mobile and tablet friendly for android and IOS. Play on iPhone, iPad, and PC. Great game for kids and players of all ages.
It is tagged as: skill games, color games, arcade games, hard games
Quickly change the outer color of the circle to match the color of the ball coming towards it. If the colors do not match then it is game over. The more you match the bigger your score, but be careful, things start to speed up and get out of control!