PopStar with Undo vs Reaction Speed Test Pro Usage & Stats

Highly addictive game. Once you start, you cannot stop. There are two modes. Game rule Classic: - Tap two or more blocks, which are same color - No time limit, once you meet target you can promote to next level Endless: - Tap two or more blocks, which are same color - Tap the blocks as more and fast as you can - The more block you tap once, the more time will be added - When level up the time drain will be faster - Once time up it will game over Score rule: Score = block x block x 5 Bonus rule of Classic mode: bonus = 2000 - block x block x 20 Features: - Undo Button - 9 different color blocks, you can choose random color or fixed color