Also called Paint By Numbers Puzzle, Japanese Puzzle or Gridlers. This category contains games that can be printed and played on paper, and general information sites about nonograms.
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Creator and supplier of picture-forming logic puzzles. Contains online games and those for sale from Japan.
Griddlers Solver with Animator
Freeware application with auto-solver and ingenious animations. Includes article about solving by computers. [Windows]
Online flash game with black and white puzzles.
Solving Paint-by-Numbers Puzzles with Integer Programming
Article and instructions on solving puzzles.