Bubble Tap

There will be 16 colorful bubbles in the screen. Tap on red bubbles. Do not tap on other colors. Try your speed. Beat your friends. And remember, don’t lose.
Level 1: Tap on one red bubble.
Level 2: Tap on three red bubbles.
Level 3: Tap on three red bubbles by sequence.
Level 4: Tap on three red bubbles. Do not tap twice.
Level 5: Tap on four red bubbles.
Level 6: Tap on that colored bubble, which appears on the top of the screen.