Folds

Goal

Make the puzzle symmetric across the fold line. Click cells to flip their colour.

Modes

Vertical: Left side mirrors the right side.

Radial: Top half mirrors the bottom half in a circular pattern.

Hexagonal: 24 triangular cells arranged in a hexagon, mirrored left-to-right.

Special Blocks

Locked: Cannot be toggled. Shown with a lock icon.

Sticky: Toggling one cell also toggles its linked partner. Shown with a coloured dot.

Keyboard Shortcuts

R Reset current puzzle

N New puzzle

H Show hint

A Auto-solve current puzzle

P Toggle AutoPlay mode