SevenStrings
Untangle Puzzle: Daily Planarity Game, Uncross the Strings
Tangle is a daily untangle puzzle, the classic planarity game. Pegs are tied together with strings in a knot of crossings; drag the pegs about until no two strings cross.
Play today’s TangleHow to play Tangle
- Drag any peg to move it. Its strings stretch to follow.
- Strings that cross are dashed in red. Move pegs until none are.
- A peg can't sit on a string it isn't tied to, or on top of another peg.
- Once it's untangled, it's sent by itself. Any layout with no crossings counts.
- Three tangles, each bigger: six pegs, then nine, then twelve.
Tips
- Find a triangle or a small loop of strings and lay it out first, then fit the other pegs in round it.
- Pegs tied to only two strings are easy to tuck in anywhere: leave them till last.
- Move the busiest peg (the one with the most strings) to the middle, and its neighbours round it.
- Every tangle can be undone, so if you're stuck, spread the pegs out to give yourself room.
Questions
Is it free? Do I need an account?
It's free, with no app to install. You can play today's puzzles straight away as a guest. Sign in (also free) to save your scores, join the leaderboards, add friends and practise as much as you like.
Is it the same puzzle for everyone, and when does a new one come?
Yes: everyone gets the same three rounds each day, so you can compare scores with friends. New puzzles arrive at midnight, your local time.
How is it scored?
The leaderboard ranks by rounds solved, then by time, so the fastest player with the most rounds wins. Signed-in players also earn lifetime points, with a bonus for speed.
Is every tangle solvable?
Yes. Each one is made from a layout with no crossings, then shuffled, so there's always a way to undo it, and often many.
What is a planarity puzzle?
A puzzle where you redraw a network of points and lines so no two lines cross. Mathematicians call a network that can be drawn this way a planar graph.
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