Nuts Sort: Screw & Bolt Puzzle

Nuts Sort is a calm color-sorting puzzle with a mechanical twist. Tap a bolt to lift its top nut, tap another to screw it on, and turn a jumbled pile into neat single-color stacks.

• Simple tap-tap controls, no dragging or swiping
• A nut fits only on an empty bolt or on top of the same color
• Easy, Medium and Hard with 6, 9 or 12 colors
• Every puzzle is freshly shuffled and always solvable
• Unlimited undo, so trying ideas never costs you
• Your fewest moves are saved for each difficulty

Play for two minutes or two hours — every board moves at your pace.