100 levels
Work through a steady progression, from a few colors to denser, more demanding boards.
Move the top ball from tube to tube, group each color, and find the rhythm of a satisfying sort. Start with simple boards, then take on tougher levels and a fresh daily challenge.

Clear rules, tactile moves, and new boards as your sorting skills improve.
Work through a steady progression, from a few colors to denser, more demanding boards.
Finish the main set to unlock an ongoing stream of fresh sorting puzzles.
Take on the same date-based puzzle for the day and keep your completion streak going.
Every move has a clear rule. Plan a few steps ahead, or just unwind one ball at a time.
Tap a tube to lift its top ball.
Move the ball to an empty tube or one with the same color on top.
Fill each tube with matching balls to complete the board. Use undo or a hint if you want a hand.
Colorful boards, glass tubes, and a clean view of every move.



For gameplay help, feedback, or a bug report, visit the support page.