Puzzle rules & how-to-play guides

Every puzzle on ThePuzzleLabs explained: rules, step-by-step walkthroughs, solving tips, and FAQs. Pick a category or jump straight to a puzzle.

Games

Classic puzzle games with number placement and logic.

Logic

Deductive reasoning, pattern recognition, and codebreaking.

Math

Mathematical riddles, brain teasers, and number challenges.

Words

Word-based puzzles: scrambles, searches, and ciphers.

  • AnagramRearrange scrambled letters to form the hidden word.
  • Word SearchFind hidden words in a grid of letters.
  • CrosswordFill words into a grid from across and down clues.

Grid

Grid-based puzzles with spatial reasoning and constraints.

  • KakuroFill number sums into a crossword-style grid.
  • SkyscrapersDeduce building heights from edge visibility clues.
  • BinairoFill a grid with 0s and 1s following three simple rules.
  • Star BattlePlace stars so each row, column, and region has the right count.
  • Light Up (Akari)Place light bulbs to illuminate every cell without conflicts.
  • SuguruFill numbered groups so no identical digits touch.
  • SlitherlinkDraw a single loop on grid edges guided by number clues.
  • HashiConnect islands with bridges to form a single network.
  • Nurikabe
  • Shikaku
  • Aquarium
  • Hitori

Sudoku Puzzles

Classic Sudoku and its variants: Killer, Samurai, Jigsaw, KenKen, and Futoshiki.

  • SudokuFill a 9×9 grid so every row, column, and box contains 1–9.
  • Killer SudokuSudoku with cage sums — no repeated digits in any cage.
  • Samurai SudokuFive overlapping 9×9 Sudoku grids — solve them all at once.
  • Jigsaw SudokuSudoku with irregular regions instead of standard 3×3 boxes.
  • KenKenCombine arithmetic and Latin square logic in caged grids.
  • FutoshikiPlace digits with inequality constraints between cells.