Tango Puzzle Playground

Generate a random valid grid, view givens/constraints, and play. Click a cell to cycle (empty → ☀️ → 🌑 → empty). Right-click to clear. Givens are locked.

Board size (even)Constraint density

12%

Given density

35%

Show solution

Keep going

Row counts

Row 1☀️ 0 / 🌑 2

Row 2☀️ 0 / 🌑 1

Row 3☀️ 0 / 🌑 2

Row 4☀️ 2 / 🌑 1

Row 5☀️ 2 / 🌑 1

Row 6☀️ 1 / 🌑 2

Column counts

Col 1☀️ 1 / 🌑 2

Col 2☀️ 0 / 🌑 2

Col 3☀️ 1 / 🌑 3

Col 4☀️ 1 / 🌑 2

Col 5☀️ 1 / 🌑 0

Col 6☀️ 1 / 🌑 0

Click: toggle ☀️ → 🌑Right-click: clearRed ring = participates in a triple= means adjacent cells must match (chip between cells)× means adjacent cells must differ (chip between cells)