Nuts & Bolts

Play nuts color sort on mobile or keyboard

Use touch, focusable bolt controls and fullscreen without relying only on color.

Original brass bolts and colorful nuts on a dark green tabletop

Playing on a small screen

On narrow screens the board arranges bolts into three columns. The logical rules and four-nut capacity stay the same. Tap a filled bolt, then tap a matching or empty destination. The selected top nut lifts and the bolt outline changes. Scroll below the board to find recovery controls and the status message.

Playing with a keyboard

Each bolt is an actual button over the canvas. Tab moves between controls; Enter or Space selects a source or destination. Its accessible name lists the colors from top to bottom, which lets you inspect a stack without interpreting the picture alone. Press F when focus is outside a text input to request fullscreen.

Reading colors and letters

Coral, Jade, Honey, Lavender and Rose are also marked C, J, H, L and R. Practice and Daily use four colors; Challenge adds Rose. Match names or letters when colors are difficult to distinguish. A lifted nut indicates selection; it does not change the order of the stack.

Browser controls still apply

Fullscreen depends on browser support and can be exited with the browser’s usual control. Do not use browser zoom gestures as puzzle moves: wait until the board is stable before tapping a bolt. If a control is hard to see, switch the page theme; the gameplay board keeps its warm, high-contrast surface.

Sources

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