Bubble Sort Puzzle description

Bubble Sort Puzzle is a fun and addictive puzzle game! Try to sort the colored bubble in the tubes until all bubbles with the same color stay in the same tube. A challenging yet relaxing game to exercise your brain!

★ HOW TO PLAY:
• Tap any tube to move the bubble lying on top of the tube to another tube.
• The rule is that you can only move a bubble on top of another bubble if both of them have the same color and the tube you want to move into has enough space.