Rainbow Balls Loop - Puzzle!

Satisfying sorting meets smart strategy. Tap the boxes, release the balls, and sort them by color to serve every customer — one perfect delivery at a time. Sand Up puts a fresh spin on the classic sorting puzzle. Open boxes to send colorful balls rolling into the dock, group them by color, and hand them over to waiting customers. Sounds simple? Tunnels, gates, locks, and gift boxes will make every level a brain-teasing challenge! Why you'll keep playing: - Easy to Learn, Hard to Master: one-tap controls, endless depth. - Oddly Satisfying Sorting: watch the balls roll, click, and fall perfectly into place. - Ever-Evolving Puzzles: hundreds of levels with new mechanics unlocking as you go. - Handy Boosters: stuck on a tricky level? Hammer, Shuffle, and Sweep have your back. - Offline Play: no WiFi needed — perfect for your commute. Plan your moves, serve every customer, and become the ultimate sorting master. Download Rainbow Balls Loop and let the rainbow roll!