Balls by Color: Tube Puzzle

Sort every color, at your own pace. Balls by Color: Tube Puzzle is a calm sorting game with clear rules and thoughtfully selected levels. Tap one tube, then another, to move the matching group of balls. Fill each tube with a single color to complete the puzzle. WHY THIS TUBE PUZZLE? • Every included puzzle is designed and checked to be solvable • 100+ levels with a steady challenge curve • No timer, lives, move limit, or failure penalty • Unlimited undo and restart • Your unfinished puzzle is saved automatically • Optional symbols help distinguish balls without relying on color alone • Screen reader and reduced motion support • Occasional Mystery levels reveal hidden balls as you play • Core puzzles work offline HOW TO PLAY 1. Tap a tube to select its top ball or matching group. 2. Tap an empty tube, or one topped by the same color. 3. Sort every color into its own tube. Ads support the game. Full-screen ads only appear between selected completed levels—never while you are solving a puzzle. Watching a rewarded ad to add an extra tube is always optional. Offline play applies to the core puzzles; ads and consent choices require a connection.