Test your reaction time against the drag racing lights (christmas tree lights). Shake the device or touch the screen!
Select one of the following start modes: - Full tree - ambers light up sequentially 0.5 seconds apart, followed by the green light - Pro tree - all ambers light up at the same time, followed by the green light 0.4 seconds later - Stoplight - all ambers light up, followed by the green light after a random interval of time