Tap the 3s

Easy and simple number game, yet difficult to master!

Find the multiples of 3 and 7 as fast as you can. How fast and accurate are you? Let’s see who’s the fastest in this simple math.

How to play:
Tap all the multiples of 3 or 7, such as 3, 6, 9, and 7, 14, 21, …
If there is no more multiples of 3 or 7 left on the screen, swipe the screen to the left.
Finish all 20 levels before the time runs out!