1000 Hand-Crafted Levels
Easy, Medium, Hard, and Evil — 250 puzzles per difficulty, every one verified to be solvable in a perfect minimum-move solution.
1000 hand-crafted ball-sliding puzzles across four difficulties. Quick to learn, deeply satisfying to master. Free on every device you own.

Easy, Medium, Hard, and Evil — 250 puzzles per difficulty, every one verified to be solvable in a perfect minimum-move solution.
Drag a ball in any direction. It slides until it hits a wall, the edge of the board, or another ball. Match every ball to its target circle to win.
Native apps for iPhone, iPad, Mac, Apple TV, Apple Watch and Apple Vision Pro — plus Android phones and tablets. Same game, optimized for every device.
Stuck on a puzzle? Use a hint to reveal the next optimal move. Earn free hints by solving puzzles, or grab more in the in-game store.
Friendly 3×3 boards to learn the mechanics.
Larger grids and more balls to coordinate.
Drag a ball in any direction. It slides in a straight line until it reaches the grid boundary, a wall, or another ball.
Where a ball stops depends on what is in its path. The sequence of your moves determines where each ball ends up.
All balls must rest on their matching target positions at the same time to complete the level.