How to Play Tango
Try demo puzzleFill every cell with a sun or a moon so the grid is balanced and consistent.
Rules
- Each row and column must have an equal number of suns and moons.
- You cannot place three suns or three moons in a row — horizontally or vertically.
- Signs between adjacent cells mean equal (=) or opposite (×).
- Some cells may be prefilled and locked.
Controls
- Tap a cell to cycle through sun, moon, and empty.
- Constraint signs between cells update as you fill the grid.
- Use Reset to clear your entries.
Tips
- If two cells are marked equal and one is a sun, the other must be a sun too.
- Watch for lines that would force three of the same symbol in a row.
FAQ
Tango questions
Quick answers about goals, rules, and controls.
Fill every cell with a sun or a moon so the grid is balanced and consistent.