Free bonus for readers

Get 20 Free Closed-Loop Puzzles

A new way to play: no start, no finish, one unbroken loop. A printable PDF with 20 puzzles from Easy to Expert and full solutions.

  • 20 closed loops on grids from 8×8 to 15×15
  • A one-page guide with a worked example
  • Every loop has exactly one solution
  • Printable on US Letter or A4
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Title page of the free bonus: 20 Closed Loops