Enjoy these traditional logic puzzles also known as nonograms, griddlers, picross, Japanese crosswords or Hanjie. Solve multi-puzzles using the zooming function and a hint system. All of our puzzles are completely logical - no guessing required! PUZZLE FEATURES: - Computer Tested Puzzles: All puzzles have a unique solution and are completely logical. No guessing needed! - Over 600 puzzles and 90 pictures to discover! Great selection of 25 x 25 black and white puzzles. - Free Introductory Puzzles! Puzzle packs available to buy when you need them. - Thematic puzzle packs: Adds excitement and anticipation to solutions - Detailed Artwork: Each puzzle is part of the picture. Solve multiple puzzles to reveal the final image. - No Ads GAMEPLAY HIGHLIGHTS: - Tutorial: For beginners to learn how to solve puzzles and use controls - Zooming Ability: allows for easier counting and touch-precision - Counting guides: Great to use when zooming - Hint system: In case you get stuck. Get a new hint for free when the timer resets, or buy them if you just can't wait. - Choose your button placement: Because only you know where you want them. - Optional “checkmark” and “x” buttons to mark your last move or highlight points of interest - Unlimited Undo and Redo - Auto-rotate support - Auto-save and Auto-restore - Auto-highlights completed rows and columns - Auto-highlights errors that violate the logic clues - Concurrent Solving: Move between puzzles and work on more than one at a time. Master the logic. Emerge victorious. Experience beauty. Repeat.