Online Puzzle Games
Jump straight into a puzzle — no download, no login, no sign-up. All games run entirely in your browser and work on desktop and mobile.
Nonograms
Fill in the grid using logic clues. 5×5, 10×10, and 15×15 puzzles — also known as Picross or Griddlers.
4 in a Row
Classic strategy. Drop discs and connect four in a row — play vs AI or a friend.
Reversi
Classic disc-flipping strategy — also known as Othello. Play vs AI or a friend.
2048
Slide numbered tiles on a 4×4 grid, merge matching numbers, and reach the 2048 tile.
Minesweeper
Classic mine-clearing logic puzzle. Uncover cells, read the numbers, flag the mines.
Gomoku
Five in a Row — place stones and be first to connect five. Play vs AI or a friend.
Nine Men's Morris
Form mills to capture stones on the classic three-square board. Play vs AI or a friend.
Kakuro
Mathematical crossword — fill runs of cells so they sum to the clue with no repeats.
Bulls & Cows
Crack the secret 4-digit code using logic and deduction — the original Mastermind.
Futoshiki
Fill the grid with unique numbers per row and column while obeying inequality signs.
Hitori
Shade duplicate numbers so no row or column has repeats — but shaded cells can't touch.
Masyu
Draw a single closed loop through black and white circles — turn at black, go straight at white.
Battleship Puzzle
Use row & column counts to locate a hidden fleet — ships can't touch, even diagonally.
Checkers
Classic Draughts with 3 AI difficulty levels or pass-and-play vs a friend. Forced captures & kings.
Sudoku
The classic 9×9 number puzzle with 6 difficulty levels from Easy to Extreme. Notes, undo & error checking.
Hashi (Bridges)
Connect numbered islands with horizontal & vertical bridges — each number shows its total bridge count.
Slitherlink (Fences)
Draw a single closed loop on a grid of dots — numbers tell you how many edges surround each cell.
Dots & Boxes
Draw lines between dots to complete boxes. 2-4 players with three AI difficulty levels.
Mancala
Ancient seed-sowing strategy. Sow stones, capture opponents' seeds, fill your store. 3 AI levels.
Backgammon
Classic dice & strategy board game. Roll, move checkers, hit blots & bear off. 3 AI levels.
Light Up (Akari)
Place light bulbs to illuminate every cell. Numbered walls constrain placement. 3 grid sizes & 3 difficulty levels.
Nurikabe
Shade cells to form a connected sea. Numbered cells define island sizes. No 2×2 pools allowed!
Skyscrapers (Towers)
Fill a grid with building heights 1–N. Border clues tell how many towers are visible. 4 grid sizes & 3 difficulty levels.
Go (Weiqi / Baduk)
Ancient strategy game. Place stones, capture groups & control territory on 9×9, 13×13 & 19×19 boards. 3 AI levels or Human vs Human.
Binary (Takuzu)
Fill the grid with 0s and 1s. No three in a row, equal counts per line, and every row & column unique. 5 grid sizes & 3 difficulty levels.
Shikaku (Rectangles)
Divide the grid into rectangles. Each contains exactly one number equal to its area. 5 grid sizes & 3 difficulty levels.
Super Tic-Tac-Toe
Nine tic-tac-toe boards in one epic strategy game. Your move decides where your opponent plays next. 3 AI levels or play a friend.
Order & Chaos
Asymmetric tic-tac-toe by Stephen Sniderman. Order builds five in a row, Chaos prevents it. Both place X or O. 6×6 to 8×8 grids.
Queens
Place one queen per row, column, and colored region — no two queens may touch. 5×5 to 9×9 grids, three difficulties.
Star Battle
Place one star per row, column, and colored region — no two stars may touch. 5×5 to 9×9 grids, three difficulties.
Hex
Connect your two sides of the board with an unbroken chain of stones. Classic strategy game with no draws. 7×7 to 14×14, 3 AI levels.
Ataxx
Clone and jump your pieces to capture the board. 8 starting layouts, 3 AI levels, or play a friend.
Shift Three
Insert pieces into sliding rows and connect three in a row. A shifting twist on connect-3. 3 AI levels or play a friend.
Tic-Tac-Toe
The classic noughts and crosses game. Three AI levels including an unbeatable opponent. Play vs AI or a friend.
KenKen
Arithmetic logic puzzle. Fill a grid using cages with math operations. Sizes 3×3 to 9×9 with 3 difficulty levels.
Tents and Trees
Place a tent beside every tree so no two tents touch — even diagonally. Row & column clues guide you. 6×6 to 14×14.
Galaxies (Tentai Show)
Divide a grid into rotationally symmetric regions, each centred on a dot. 5×5 to 10×10 grids & 3 difficulty levels.
Tapa
Shade cells to form a connected wall. Clue numbers show consecutive shaded group lengths. 7×7 to 14×14 grids & 3 difficulty levels.
LITS (Nuruomino)
Place L, I, T & S tetrominoes in regions. All shaded cells must connect — no 2×2 pools, no same-type adjacency. 3 grid sizes & 3 difficulty levels.
Heyawake
Shade cells in numbered rooms — no two shaded cells touch, all white cells stay connected, and no line crosses 3+ room boundaries. 3 grid sizes & 3 difficulty levels.
Yin-Yang
Fill the grid with black and white circles. Both colours must form a single connected group and no 2×2 area can be all one colour. 5 grid sizes & 3 difficulty levels.
Norinori
Shade exactly two cells in every region so each shaded cell forms a domino. Dominoes can span regions! 3 grid sizes & 3 difficulty levels.
Suguru (Tectonic)
Fill irregular groups with numbers 1–N so no identical digits touch — even diagonally. 4 grid sizes & 3 difficulty levels.
Suko
Use every number once while balancing the four-cell circle clues and each colour-group total. Classic 3×3 plus expanded 4×4 and 5×5 boards.
Numberlink (Flow)
Connect matching number pairs with paths that don’t cross or overlap — and fill every cell. 4 grid sizes & 3 difficulty levels.
Fillomino (Polyominous)
Fill every cell so each connected group of identical numbers has a size equal to its value. 3 grid sizes & 3 difficulty levels.
Peg Solitaire (Brainvita)
Jump pegs over one another and clear the board. 6 classic boards including English, French, and Triangular. Aim for one peg remaining!
Nim
Classic mathematical strategy game. Remove objects from rows and force your opponent into taking the last one. Play vs AI or a friend.
Yajilin (Arrow Puzzle)
Shade cells and draw a single closed loop through the grid. Arrow clues tell you how many shaded cells lie in each direction. 3 grid sizes & 3 difficulty levels.
Kuromasu
Place black cells so each numbered clue sees the correct count of white cells in four directions. No black cells may touch! 3 grid sizes & 3 difficulty levels.
Thermometers
Fill mercury from the bulb using row and column clues. 3 grid sizes & 3 difficulty levels — pure logic, no guessing required.
Ripple Effect
Fill rooms with 1–N so equal digits in a row or column are spaced apart. Also known as Hakyuu. 4 grid sizes & 3 difficulty levels.
Hidato (Number Snake)
Fill the grid with consecutive numbers forming a connected path. Square & hexagonal grids, 3 sizes & 3 difficulty levels.
Killer Sudoku
Sudoku meets Kakuro — fill the 9×9 grid using cage sum clues with no repeating digits. 4 difficulty levels.
Jigsaw Sudoku
Sudoku with irregular jigsaw-shaped regions instead of 3×3 boxes. 4 difficulty levels from Easy to Expert.
Mosaic (Fill-a-Pix)
Shade cells so every numbered clue matches its filled-neighbour count. 5×5, 7×7 & 10×10 grids with 3 difficulty levels.
Code Cracking
Mastermind-style code-breaking puzzle. Crack the secret colour code using logic & deduction. 4–6 pegs, 6–10 colours, with a duplicates toggle.
Aquarium
Pour water into tanks so every row & column count matches — one shared level per tank, gravity included. 6×6 to 10×10 grids & 3 difficulty levels.
Sumplete
Delete numbers until every row & column adds up to its target. 3×3 to 9×9 grids, 3 difficulty levels, and every board has exactly one answer.
Word Sieve
Every row & column hides a word: cross out the filler letters until each line spells one. 4×4 to 8×8 grids, 3 difficulty levels, and every board has exactly one answer.
More Games on the Way
We're building new browser-based puzzle and strategy games regularly. Bookmark this page and check back soon — or explore our mobile apps and articles in the meantime.