MASYU vs Untangle

One line. A clear mind. MASYU is a quiet logic puzzle: link every pearl on the board into a single loop that never crosses or branches. No numbers, no math—just two simple rules and your finger. Two rules, real depth - White circle ○: the line passes straight through, and must turn in the cell just before or after it. - Black circle ●: the line turns on the circle, and goes straight through the cells on both sides. From these two rules, surprisingly deep boards emerge. Features ◆ Four difficulties (Easy / Medium / Hard / Expert) ◆ A fresh Daily Puzzle — the same board for everyone, every day ◆ Every puzzle is uniquely solvable, verified by a real solver—no guessing required ◆ Fully offline, no account, no sign-up ◆ A gentle hint for when you're truly stuck ◆ Records & streaks: solves, best times, no-hint rate, daily streak ◆ Calm, paper-and-ink design in indigo and vermilion Great for you if - You've solved enough Sudoku and want a new kind of logic puzzle - You want to reset your mind during a commute or a short break - You're tired of ads and notifications and crave quiet focus - You like building a small daily brain-training habit - You enjoy Nikoli-style pencil puzzles (loop / one-stroke) Privacy - No account required. - Your records stay on your device—nothing is sent to any server. - Works fully offline.

Every other untangle game lets the lines slide through each other. This one doesn't. In Untangle: Night Sky the ropes are physical. They are solid to the touch, they have real slack, and pulling one star drags its neighbours along like a knotted necklace. You cannot shove a star through a rope — you have to work the knot loose the way you would in your hands: find the gap, go around it, or slip underneath. Drag the stars until no two ropes cross. The constellation lights up. DEPTH IS REAL A rope lying over all of your star's ropes lets the star dive under it. A rope lying under them lets it slide over. A rope sandwiched between them is a wall. Reading that depth is how you find the way through. TWENTY SKIES, THEN NO END Twenty hand-paced levels teach the rope, then Polaris — a star pinned to the sky that never moves — and then the Iron Chain, a rope that nothing can pass. Clear all twenty and the Star Field opens: endless, procedurally generated constellations that keep on growing. ALWAYS SOLVABLE Every board is made by tangling a solved constellation with legal moves, and no level ships until the game's own solver can finish it. When you are stuck, a hint shows the star to move, the route to take, and where it lands — and it only ever suggests a move that genuinely works. QUIET BY DESIGN No ads. No purchases. No account. No timers, no lives, no energy meter. It plays entirely offline. Just you, a tangle of rope, and a sky waiting to light up.