Games & Fun Tools

A list of our Games & Fun tools. Nothing you enter is sent to a server; it is all processed in your browser.

• Roulette, Random Picker & Dice

  Spin a roulette wheel from your own list, draw several winners without repeats, or roll dice like 1d6 and 2d6+3 using cryptographic randomness.

• Amidakuji (Ghost Leg) Generator

  Create an amidakuji ghost-leg ladder from names and outcomes. Hide results and trace one player at a time, reveal everyone, or save it as an image.

• Gacha Probability Calculator

  Calculate drop chances, pity cap expectations and gems needed

• Random Team Generator

  Paste a name list and split it into random teams by team count or team size. Leftovers are spread evenly; reshuffle and copy the result.

• Bingo Caller & Card Generator

  Call bingo numbers with history and full screen, and print a batch of bingo cards

• Seating Chart Randomizer & Order Shuffler

  Randomize a classroom seating chart or speaking order from a name list, with fixed seats and pairs kept apart

• Omikuji (Daily Fortune)

  Draw a free Japanese omikuji fortune slip. Get a daily fortune for today, or redraw as often as you like, with lucky color and number.

• Typing Speed Test

  Measure your typing speed in English or Japanese romaji. Get WPM, CPM, accuracy and your weakest keys. Accepts alternate romaji spellings.

• Reaction Time Test

  Click when the color changes. Measures your average and best reaction time in ms over 5 rounds

• Sudoku

  Play sudoku puzzles generated on the spot, with notes, hints and a mistake check

• Memory Match

  Flip emoji cards and find every pair. Choose 12, 16 or 30 cards and save your best moves and time

• Sliding Puzzle

  Play the 15 puzzle with numbers or your own image. 3×3, 4×4 and 5×5, always solvable, with best moves and time

• 2048

  Merge tiles to reach 2048 by swiping or with arrow keys. 4×4, 5×5 and 6×6 boards, undo and best scores

• Minesweeper

  Classic mine-clearing puzzle with Beginner, Intermediate, Expert and custom boards. Safe first click, long-press flags on touch screens and best times

• Reversi (Othello)

  Play Reversi against the computer at four strength levels. Choose first or second, with legal-move hints and undo, right in your browser

• Maze Generator

  Generate a random maze by choosing its size and difficulty. Show the solution, save it as a PNG or print it for activity sheets

• Word Search Generator

  Make a word search puzzle from your own word list. Choose grid size and difficulty, show the answer key, save a PNG or print it for class or parties

• Crossword Generator

  Make a crossword puzzle from your own answers and clues, with numbered Across and Down clues, an answer key, PNG download and printing

• Color Sense Test

  A 60-second game of picking the one slightly different color tile. The difference shrinks as you go and your score sets your rank. For fun, not a color vision test

• Game of Life

  Conway’s Game of Life in your browser. Draw cells, play, step and adjust speed, and drop in presets like the glider, pulsar and Gosper gun

• Picross (Nonogram)

  Play picross puzzles with a single solution in 5×5, 10×10 or 15×15, or turn your own drawing or image into a puzzle

• Invaders Game

  A classic invaders-style shooter: shoot down the descending cat fleet. Keyboard and on-screen buttons, shields, a bonus UFO, levels and a best score

• Snake Game

  The classic Snake game: eat food to grow, avoid walls and your own tail. Arrow keys, WASD, swipes or on-screen buttons, with a saved best score

• Falling Block Puzzle

  The classic falling block puzzle: rotate and stack blocks to clear lines. Hold, next preview and landing guide, with keyboard and on-screen buttons

• Rock Paper Scissors Game

  Play rock paper scissors against the CPU and track your win streak, best streak and total record.

• Breakout Game

  Classic brick-breaker: bounce the ball off the paddle and clear every brick. Play with mouse, touch or keys.

• Four in a Row

  Drop discs and line up four to win. Play the computer at three levels as first or second player.

• Hit and Blow Number Guessing Game

  Guess a hidden 3–5 digit number from Hit and Blow clues. Choose repeated digits or not, review your guess history, or give up to see the answer

• Lights Out

  Lights Out puzzle: pressing a cell flips its neighbors. 3×3 to 7×7, always solvable, with a move counter and hints.

• Mental Math Trainer

  Practice mental arithmetic with a rank and best score. Choose operations, digits and a time limit.

• Coin Toss

  Flip a coin online and see heads or tails on a 3D coin. Flip several times in a row and track history and streaks using cryptographic randomness.

• Loto & Numbers Number Picker

  Pick random numbers for Japan’s Loto 6, Mini Loto, Loto 7 and Numbers 3/4, just for fun. Runs in your browser.

• Aim Trainer

  Click 20 targets to measure your average hit time, accuracy and misses. Best score saved in your browser.

• Whack-a-Mole Game

  Whack the cats popping out of holes in 30 seconds. It speeds up as you play and saves your best score.

• Color & Sound Memory Game

  Remember and repeat the order of four glowing, sounding panels. Keys 1-4 supported.

• Number Memory Test

  Memorize a number flashed on screen and type it back. One more digit each round.

• Cat Clicker

  A cozy idle clicker: pet the cat, buy upgrades and watch fish pile up. Progress is saved in your browser.

• Tower of Hanoi

  Play the Tower of Hanoi with 3 to 8 discs, compare your moves with the minimum, and watch the optimal solution.

• Cat Jump Game

  Flap a cat through pipe gaps with one button. Tap, click or press Space. Saves your best score. Free, mobile friendly.

• Peg Solitaire

  Jump pegs to remove them and leave just one. English 33-hole and European 37-hole boards, with undo.

• Hangman

  Guess the hidden English word one letter at a time. Pick a category like animals, food or travel.

• Tic-Tac-Toe

  Play against the computer at three levels, including an unbeatable minimax mode. Choose to move first or second.

• Gomoku (Five in a Row)

  Play Gomoku against the computer on a 15×15 board. Four levels, choose first or second, undo moves, no restricted moves.

• Box Push Puzzle

  Push every box onto a goal across 20 levels. Arrow keys, swipe or buttons, undo, and best-move records. Free browser puzzle.

• Blackjack

  Play blackjack against a computer dealer. Hit, stand or double down with virtual chips that have no cash value. For fun only.

• Optical Illusions Gallery

  Try 9 classic optical illusions such as Müller-Lyer and café wall. Show guide lines to see what is really equal or parallel.

• One-Stroke Puzzle

  Trace every line exactly once in one stroke. Three difficulty levels with undo, hints and endless new puzzles.

• 5-Letter Word Guessing Game

  Guess the hidden five-letter English word in six tries, using green, yellow and gray clues.