Games & Puzzles
Word game helpers, dice rollers, score cards, and puzzle tools - all running locally in your browser with no server required.
- 2048 GameSlide numbered tiles on a 4×4 grid to combine them and reach the 2048 tile in this addictive puzzle game.
- Aim Trainer - Click Accuracy & Speed TestImprove your mouse accuracy and click speed. Targets appear at random positions - click them as fast as possible. Track your accuracy and average reaction time.
- Blind Spot Test - Find Your Visual Blind Spot OnlineFind your eye's natural blind spot (optic disc) using a monocular fixation test. Cover one eye, fixate on the cross, and discover where the dot vanishes from your field of view.
- Block Stacker - Free Online Tetris-Style GameStack falling tetrominoes to clear lines in this Tetris-style puzzle game.
- Brick Breaker - Free Online Breakout GameBreak all the bricks with a bouncing ball and paddle.
- Checkers Game - Play Draughts Online FreePlay checkers (draughts) against an AI opponent in your browser.
- Chess Game - Play Chess Online FreePlay chess against a simple AI opponent in your browser.
- Connect FourDrop colored discs to connect four in a row - horizontally, vertically, or diagonally. Play vs AI or a friend.
- Crossword Pattern Solver - Fill in the BlanksEnter a crossword pattern with known letters and question marks for blanks (e.g. "C?T"). Find all matching words from the built-in dictionary.
- Cryptogram Puzzle GeneratorGenerate substitution cipher cryptogram puzzles from quotes or your own text. Solve interactively in the browser.
- D&D Dice & Initiative Roller - All RPG DiceRoll d4, d6, d8, d10, d12, d20, and d100 individually or in combinations. Track initiative order for up to 8 creatures. History log included.
- Ear Training Game - Learn Musical IntervalsTrain your musical ear by identifying intervals between two played notes.
- Hangman GameGuess the hidden word letter by letter before the hangman is drawn. Multiple word categories available.
- Lights Out - Classic Logic Puzzle GameToggle lights on a 5x5 grid to turn them all off. A classic logic puzzle.
- Mad Libs Generator - Fill-in-the-Blank Story BuilderChoose a story template, fill in nouns, verbs, adjectives, and names, then reveal the hilarious result. Multiple story templates included.
- Maze GeneratorGenerate random mazes of any size using recursive backtracking and navigate through them with arrow keys or touch.
- Memory Match Card GameClassic concentration card-matching game. Flip cards to find matching pairs as fast as possible.
- Mental Math Speed Quiz - Arithmetic Under Time PressureSharpen your mental arithmetic with timed addition, subtraction, multiplication, and division questions. Choose difficulty and track your accuracy and speed.
- MinesweeperPlay the classic minesweeper game. Choose beginner, intermediate, or expert difficulty.
- N-Back Working Memory Game - Dual N-Back Cognitive TrainerTrain your working memory with the dual n-back task. Monitor a sequence of positions and letters and respond when a stimulus matches one from n steps back.
- Nonogram Puzzle - Free Picross Logic GameSolve nonogram (picross) puzzles by filling in cells using row and column clues.
- Number Memory Game - Digit Span Working Memory TestTest and train your digit span - the number of digits you can hold in working memory. Numbers are shown briefly; type them back as accurately as possible.
- Online Chess Clock - Count-Down Timer for Two PlayersBrowser chess clock with configurable time controls (Bullet, Blitz, Rapid, Classical, custom). Tap to switch sides. Includes increment support.
- Pong Game - Free Online Classic Arcade GameClassic two-player Pong - play against the AI in the original arcade game.
- Reaction Time Test - Measure Your Reflexes OnlineMeasure your reaction time with a 5-trial click test. Click as fast as possible when the screen turns green. See your average and percentile ranking.
- Rubik's Cube TimerSpeedcubing timer with scramble generator, inspection time, and averages of 5 and 12 (Ao5 / Ao12) in WCA style.
- Scrabble & Words With Friends Score CalculatorCalculate word scores for Scrabble or Words With Friends including double/triple letter and word bonuses. Supports blank tiles.
- Simon Says - Color Sequence Memory GamePlay the classic Simon Says color memory game in your browser. Watch the growing color sequence and repeat it back. How far can you go?
- Sliding Puzzle (15-Puzzle)Play the classic 15-tile sliding puzzle. Shuffle and solve it by sliding tiles into the empty space.
- Snake Game - Free Classic Online SnakeClassic snake game - eat apples, grow longer, avoid walls and yourself.
- Solitaire Game - Free Online Klondike SolitairePlay classic Klondike Solitaire card game in your browser.
- Stroop Effect Test - Cognitive Interference ExperimentExperience the Stroop effect - identify the ink color of a color word as fast as possible. Measures cognitive interference when the word and color conflict.
- Sudoku Generator & SolverGenerate a new Sudoku puzzle at easy, medium, or hard difficulty, then solve it in your browser with full validation.
- Sudoku Solver - Solve Any Sudoku Puzzle InstantlyInstantly solve any 9×9 sudoku puzzle online. Enter your puzzle, click Solve, and get the complete solution in milliseconds. 100% client-side.
- Tic-Tac-ToePlay Tic-Tac-Toe against an unbeatable AI or with a friend in two-player mode.
- Whack-a-Mole - Free Online Reflex GameClick the moles as they pop up! A classic reflex-testing arcade game.
- Word Ladder - Transform Words One Letter at a TimeTransform one word into another by changing one letter at a time, with each step being a valid word.
- Word Search GeneratorCreate printable word search puzzles with your own word list. Words can be placed in 8 directions.
- Word Unscrambler - Find Words from Scrambled LettersUnscramble letters to find all valid English words. Filter by length. Useful for Scrabble, Wordle, and other word games.
- Wordle Solver & Helper - Filter Possible WordsEnter your known letters, positions, and misses to filter the Wordle word list. Narrows thousands of 5-letter words to only valid candidates - no dictionary upload needed.
- Yahtzee Score Card - Digital ScoresheetDigital Yahtzee score card for up to 4 players. Auto-calculates upper section bonus, Yahtzee bonuses, and final totals.