Memory Card Matching Game - Online Flip & Find Pairs
Classic flip‑to‑match pairs game. Choose grid size and card theme. Tracks moves and time. All local.
UD5 Toolkit
Click any card to start the game and begin the timer!
Classic flip‑to‑match pairs game. Choose grid size and card theme. Tracks moves and time. All local.
Cute vegetable-themed memory matching game for preschoolers. No ads, simple interface.
Morse characters flash on screen; you must tap them correctly on a single button. Points for accuracy and speed. Learn Morse in a fun way.
See a cropped or simplified brand logo and guess the company. Hints available, score track. Local fun, no copyright infringement.
Simulate memory page reference strings with FIFO, LRU, and Optimal algorithms. See page fault count. OS concept demo.
Draw shapes and experiment with globalCompositeOperation. See Porter‑Duff operators in action. Great for game devs.
Generate a random sequence of button presses that looks like a retro game cheat code. Totally useless, totally fun.
See a random color and type its name. Score based on accuracy. Fun for designers. Local.
Combine two random elements and get a surprising result. Inspired by Little Alchemy. Infinite ideas. All local.
Create a random video game premise with a setting, protagonist, and twist. For game jams and creative writing. All local.
See how many tabs you have open and estimate memory usage based on navigator object. Fun productivity check.
Calculate odds of drawing specific cards or poker hands from a standard deck. Learn combinations. Local math.
Try to draw a perfect circle freehand. Score based on roundness. Fun and addictive. No data sent.
Random world flags shown; pick the correct country name from four choices. Score and streak. Learn geography.
Watch and repeat the growing sequence of colored buttons. How long is your memory? Classic electronic game replica.
Play the extended 5‑gesture version against a CPU. Rules explained. Score tracking. A geek classic.
A replica of the famous Flexbox Froggy game: solve alignment puzzles by writing CSS. Progress saved locally. Fun frontend learning.
Keep a virtual pet alive by feeding, playing, and cleaning. Its state persists in localStorage. Come back or it gets sad.
Generate random Scattergories‑style lists with a random letter and 12 categories. Great for online game night.
Two players type the same text on the same keyboard (WASD vs Arrow zones) and race to finish first. Fun classroom game.
A fully animated deck of 52 cards. Shuffle, cut, or draw a specific number of cards. Perfect for missing cards in a real deck.
Recreate the target CSS linear gradient by adjusting stops and colors. A unique game for front‑end developers to master gradients.
Play the Pig dice game: roll to accumulate points, but a 1 ends your turn. First to 100 wins. Simple hot‑seat local game.
The original arcade Pong recreated in HTML5. Play against AI or local two‑player. Score up to 11 and win. Pure retro fun.
Watch a color sequence and click the same pattern. Gets longer each round. Test and improve your working memory. All local.
Hit the popping moles as fast as you can before they disappear. Increasing difficulty. Great for hand‑eye coordination. Browser only.
Play Rock Paper Scissors against a smart random CPU with win/loss/draw tracking. Smooth CSS animations. No ads, pure fun.
Repeat the growing color sequence. How far can you go? Classic memory game with sound and animations.
Control a lunar module and try to land softly on the moon. Manage fuel and thrust. Classic arcade physics. Canvas.
Enjoy classic Tetris in your browser. Rotate, move, and drop tetrominoes. Clear lines and score. Fully local JavaScript.