Sudoku
Playable nowFill every row, column, and box with clean number logic.
Playable puzzle game library
Browse free logic puzzle games built around clean deduction, grid logic and satisfying rules. Pick Sudoku, Killer Sudoku, Nonogram, Norinori, Kakuro, Kuromasu, Futoshiki, KenKen, Suko, Hitori, Binary or Dots and Boxes, then start playing online.
Game library
Each game page includes a playable puzzle, difficulty options, rules, strategies and FAQs, so the library is ready for players and search engines without thin placeholder pages.
Fill every row, column, and box with clean number logic.
Reveal pixel-art pictures from row and column clues.
Shade domino pairs while each region keeps exactly two cells.
Shade L, I, T and S tetrominoes while keeping one connected area.
Use cross-sums and digits 1 to 9 to solve number grids.
Combine Sudoku rules with coloured cage totals.
Fill nine irregular regions instead of tidy 3x3 boxes.
Outside clues sum the digits between the 1 and the 9.
Both diagonals must also hold the digits 1 to 9.
A quick 6x6 Sudoku with 1 to 6, great for beginners.
Fill tanks so water settles to flat levels matching the clues.
Make each run of white cells a straight of consecutive digits.
Split the grid into a full set of dominoes, each used once.
Sew one stitch between every pair of neighbouring regions.
Draw one diagonal in every cell, match the numbers, and never close a loop.
Fill each room with 1 to its size; keep equal numbers spaced down each line.
Lay one railway from entrance to exit and match every row and column count.
Label each region by how many cells you fill, and connect every number.
Trace one snake from head to tail; it never touches itself and matches every count.
Draw one loop around the walls: white clues stay inside, black stay outside, arrows count the wall.
Place + and - poles so no equal poles touch and the counts match.
Shade cells so the weighted sums match every clue.
Rotate tiles so every pipe joins into one connected network.
Place triangles so the leftover white area forms rectangles.
Use the numbers to clear every safe cell without hitting a mine.
Crack the hidden colour code from the black and white clues.
Slide the numbered tiles into order around the empty square.
Place numbers while every inequality sign stays true.
Solve arithmetic cages while rows and columns use every number once.
Place every number once using 2x2 sums and colour totals.
Place tower heights using skyline clues around the grid.
Place crowns in every row, column and coloured region.
Place stars in every row, column and coloured region.
Shade duplicate numbers while keeping the white cells connected.
Shade blockers so numbered cells see the right white squares.
Carve one connected cave; every clue counts its sightline.
Shade clouds so each circle counts the right total area.
Divide the grid into rotationally symmetric star regions.
Reveal a hidden picture from 3x3 neighbourhood count clues.
Place tents beside trees while matching every row and column clue.
Fill thermometers from bulb to tip while matching row and column totals.
Draw one loop through black and white pearl clues.
Draw one unique loop around numbered edge-count clues.
Shade cells from arrow clues, then draw one unique loop.
Drive one loop through every coloured room exactly once.
Loop through every circle: white goes straight, black turns.
Connect matching coloured endpoints and fill every cell.
Colour black and white cells so both colours connect and no 2x2 block matches.
Separate numbered islands with one connected wall.
Shade one connected wall around numbered clue rings.
Connect every consecutive number in one touching path.
Shade divided rooms while keeping black cells apart and white cells connected.
Divide the grid into rectangles whose areas match the clues.
Fill numbered regions so each region's size matches its number.
Fill number regions while equal numbers never touch.
Place bulbs to light every white cell without bulb conflicts.
Balance 0s and 1s while avoiding triples and duplicate lines.
Connect numbered islands with single or double bridges.
Find the hidden fleet using row clues, column clues and no-touching logic.
Draw lines, claim boxes, and outplay human or AI opponents.
Clone, jump and convert pieces on tactical blocked grids.
Race across the board while placing walls to block paths and slow rivals.
Make mills, capture pieces and outplay human or AI opponents.
Place 12 pieces, use diagonal mills, and outplay human or AI opponents.
Connect opposite sides in a bright two-player strategy game with AI.
Place X or O, then race to make or prevent a matching line.
Puzzle books
Murdle: Volume 1100 illustrated whodunits you crack with a logic grid — a mystery novel you actually solve.View on Amazon →
The Killer Isn't AliceMurder-mystery logic puzzles that link into one bigger case — follow the clues to the culprit.View on Amazon →
MurdokuSudoku with a story: fill the grid and the solution names the killer.View on Amazon →As an Amazon Associate we earn from qualifying purchases.
Escape rooms at home
Escape Room The Game, Version 2Three sealed escape rooms you play at the table against the clock — no app, no setup.View on Amazon →
National Parks Mystery AdventureA trail-hopping mystery you solve from the couch with maps, codes, and handed-off clues.View on Amazon →
Secret of The ScientistA locked lab and a vanished researcher — work the puzzles and crack the case in an evening.View on Amazon →
Exit: The Mysterious MuseumLocked in after hours, the exhibits hold the way out — a clever escape kit for 1–4 players.View on Amazon →As an Amazon Associate we earn from qualifying purchases.
Logic puzzle games are challenges solved by deduction rather than reflexes, trivia or hidden information. A good puzzle gives you enough clues to make progress, then rewards careful scanning, elimination and pattern recognition.
Most games on this site use grids because grids make constraints easy to see. Rows, columns, regions, clue totals and shaded cells all create rules that interact with one another.
Online logic puzzle games are quick to start and easy to retry. You can switch difficulty, use built-in controls, check rules nearby and return to the same puzzle type whenever you want a focused break.
The online format is also useful for learning. Highlighting, hints, undo buttons and related tools can help you understand a puzzle without replacing the satisfaction of solving it yourself.
Choose Sudoku if you want the classic 9x9 number challenge. Choose Killer Sudoku if you enjoy cage sums, choose Nonogram if you like turning clues into a picture, choose Norinori for compact shading logic, choose Kakuro for cross-sums, choose Kuromasu for line-of-sight shading, choose Futoshiki if inequality signs sound satisfying, choose KenKen for arithmetic cages, choose Suko for colourful sum logic, choose Hitori for duplicate-shading deduction, choose Binary for 0-and-1 balance logic, and choose Dots and Boxes if you want a competitive strategy game.
There is no single best starting point. If you are new to logic games, Sudoku, Futoshiki and small Nonograms are friendly first choices. Kakuro and Norinori add different styles of constraint once you want something less familiar.
The live games cover number placement, cage sums, picture logic, shading, cross-sums, inequalities and competitive line-drawing strategy.
Keeping these games in a dedicated hub makes the site easier to scan. The homepage can remain the broad entry point, while this page focuses on game choice and puzzle-game discovery.
FAQ
You can currently play Sudoku, Killer Sudoku, Nonogram, Norinori, Kakuro, Kuromasu, Futoshiki, KenKen, Suko, Hitori, Binary and Dots and Boxes online.
Yes. The playable game pages are free to use in your browser.
Sudoku and small Nonograms are usually the easiest starting points because their rules are familiar and visual.
Yes. The homepage covers the whole site, while this page focuses specifically on playable logic puzzle games.