All 75 games,
one quiet arcade.
Every game on 404 skill, grouped by the kind of thinking it asks for. They all run in the browser with no sign-up and no installs, and each one carries a three-step rules card so an unfamiliar puzzle takes about a minute to pick up.
All 75 games, grouped by category
Word games
Letters, clues, and vocabulary. Guess a hidden word, sort a grid into groups, or build as many words as you can from a handful of letters. Most finish inside five minutes.
- Word GuessFive letters, six guesses, no hints.
- Quad WordsFour words at once. Same nine guesses.
- Word GroupsSixteen words. Four hidden groups.
- Emoji QuizDecode the phrase from three emoji.
- Mini CrosswordFive by five. Ten clues. A quick solve.
- Phrase GuessGuess the phrase, word by word.
- Letter SquareChain words around the square.
- Theme WordsThemed words on a 6 by 8 grid.
- Word HiveSeven letters. One must appear in every word.
- Word LadderClimb word to word, one letter at a time.
- Letter SwapSix crossing words. Swap letters into place.
- CryptogramCrack the cipher. Read the quote.
- HangmanGuess the word before the figure is drawn.
Logic puzzles
Deduction grids and number puzzles in the Japanese pencil-puzzle tradition. Every one has a single solution reachable by reasoning alone, so there is never a point where you have to guess.
- SudokuNine by nine. One number per house.
- MinesweeperNumbers don’t lie. Flags do.
- Queen ZonesOne queen per row, column and color.
- NonogramsNumbers along the edges. A picture hiding inside.
- Number PathOne line. Every cell. Numbers in order.
- HashiwokakeroNumbered islands. Build bridges between them.
- SlitherlinkOne closed loop. Numbers count its edges.
- KakuroDigits one to nine. Runs that sum.
- Sun and MoonSuns and moons. Balance every row.
- PrismReflect light. Combine colors. Light every target.
- NurikabeBuild islands. One continuous wall.
- HitoriShade cells so numbers don't repeat.
- Tents and TreesOne tent per tree. No two tents touching.
- AkariPlace bulbs. Light every cell. No bulb sees another.
- CalcudokuLatin square meets arithmetic cages.
- ShikakuCarve the grid into numbered rectangles.
- Star BattleTwo stars per row, column and cage.
Arcade games
Reflex and combo games rebuilt for the browser. Slide tiles, clear lines, dodge what is coming, and chase a score that climbs as the speed does.
- 2048Slide. Combine. Don’t fill the board.
- SnakeGrow without crossing yourself.
- Falling BlocksStack tetrominoes. Clear the rows.
- aaPin every dot. Don’t let them touch.
- Brick BreakerBounce the ball. Knock out the wall.
- Paddle BallTwo paddles. One ball. First to eleven.
- Same ColorClear connected blocks of one color.
- Floppy BirdTap to flap. Thread the pipes. Don't drop.
- Marble ShooterMatch three before the chain reaches the hole.
- SurvivorsOutlast the night, one upgrade at a time.
- StarfallDodge the storm, break the fleet.
- Bubble ShooterAim, match three, clear the wall.
- Cube DashHold to jump. Learn the track by heart.
- Hop KingdomRun, jump, stomp. Reach the flag.
- Sky JumperBounce up. Steer. Never look down.
- Sling MonkeyPull back. Let go. Grab the next peg.
- 2048 ShooterShoot a number. Match it. Watch it chain.
Board & card games
Classic board games against a computer opponent, plus the patience card games. Line up four, flank and flip, jump and crown, or clear a tableau. Every one is turn-based, so each move waits for you.
- Four in a RowLine up four before they do.
- ChessCheckmate the king. Castle, fork, promote.
- BackgammonNewRoll, race home, hit on the way.
- HexConnect your two sides through hexagons.
- SolitaireKlondike. Build up by suit, down by color.
- FreeCellEvery card face-up. Four cells to spare.
- ReversiFlank and flip. Finish with more discs.
- Spider SolitaireTwo decks, ten columns, eight runs to build.
- CheckersJump, capture, crown. Captures are required.
- Dots and BoxesOne side at a time. Close more squares.
- Five in a RowPlace stones. Five in a row wins, or capture pairs.
- Ultimate Tic-Tac-ToeNine boards. Your move picks their board.
- Sea BattleFive hidden ships. Find them, sink them.
Spatial puzzles
Position, path, and pattern. Slide pieces into place, trace a route that covers every cell, or drag a tangled shape until it reads clean.
- Sliding PuzzleFifteen tiles. One missing square.
- Arrows EscapeFollow the arrows out of the maze.
- SokobanPush crates onto targets. Never pull.
- PipesRotate the water home.
- Color LinksConnect every pair. Cover every cell.
- Water SortPour until every tube holds one color.
- MahjongFree the matching tiles, layer by layer.
- UntangleDrag the dots until no lines cross.
- Block FitFit the pieces. Clear rows and columns.
- UnblockSlide the jam apart. Free the red car.
Memory games
Recall and match. Something flashes, then hides, and each round adds one more thing to hold in mind. Short sessions that get hard quickly.
Missing a favourite? Request a game — the most-requested ones get built first.