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Number Loop #840

#840 · MediumArchive: not ranked
How to play
  • Draw one closed loop along the grid lines, from dot to dot. It never crosses or branches, so every dot has either no line or exactly two.
  • A number tells how many of its square’s four sides the loop uses, from 0 to 3. Squares without a number can have any number of sides on the loop.
  • Tap a side for a line, again for a cross (your note for “no line here”), again to clear it. Drag from dot to dot to draw several lines at once.
  • Easy grids are 5 × 5, medium 7 × 7 and hard 9 × 9. Every grid has exactly one loop, found by reasoning alone. Fastest time wins; fewer changes break ties.

Number Loop #840 is the puzzle from Tuesday, October 20, 2026 (medium). Archive puzzles count toward your statistics, not your streak or the leaderboard.

Archive games count toward your statistics, not your streak or the leaderboards.

About Number Loop #840

Number Loop #840 was the puzzle for Tuesday, October 20, 2026, a medium one: a 7 × 7 grid with 24 numbers. Everyone who played Number Loop that day got the same puzzle, and it stays here to play for 60 days.

New to Number Loop? The rules, tips and common questions are on the Number Loop page, and How to Solve Number Loop Puzzles goes into strategy.

Other days of Number Loop

Every day of the last 60 is in the puzzle archive.

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