Binary Logic

Equal suns and moons in each line. Never three together. No matching lines.

4 × 40:00

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A little sun.
A little moon.

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0 / 16 filled0 solved

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Sound Less motion

Choose Sun or Moon, then tap a square. Tap the same symbol to clear it. Small diamonds mark locked clues.

Arrow keys move. 1 places a sun. 2 places a moon. Delete clears a square.

No three identical symbols in a row or column. Each line has equal suns and moons. No two rows or columns share the same pattern. Try any symbol. Rule conflicts stay visible until you change them. Undo and Clear are always free. Flawless means you solved without a new rule conflict.

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