Pyramid solitaire: clear a pyramid of cards by removing pairs that add up to 13.

A minimalist lane-dodging car game made with Kontra.js for js13k 2018: avoid oncoming traffic and pick up fuel cells before you run dry.

Classic minesweeper in the browser.

A bullet-hell shooter.

A js13kGames 2025 platformer: guide a bouncing black cat past spikes to its duck friend at the end of each of three levels.

Clock patience in vanilla JavaScript and CSS: lay the cards out like a clock face and turn them over hour by hour.

The classic fifteen sliding tile puzzle with a clean, minimal look.

A responsive cross-platform minesweeper built with Phaser that scales to any screen and DPI, with pinch and wheel zoom.

A minimalist tile-matching game: swap neighboring shapes to make lines of three or more and score points.

A DOM-based game of Snake with a nostalgic feel: eat, grow and don't run into yourself.

A js13kGames 2016 one-button game: bounce across burning trees and put the fires out with your magical water tank.

A one-button endless runner in which a horse gallops across a scrolling landscape and has to jump over obstacles for as long as possible.

A monochrome snake game: eat dots to grow without hitting yourself.

A classic sliding tile puzzle with a choice of grid sizes: put the numbered tiles back in order.

A js13kGames entry: drill glowing cores horn-first, dodge spikes and chain 28 hits to unleash a Double Rainbow.

Drag a glowing core between bouncing, accelerating blocks and survive for 50 seconds without touching them or the edges.

An artillery duel against a toy neural network that starts by shooting at random and learns to aim better every shot.

A 6x6 sudoku with 2x3 boxes and freshly generated, uniquely solvable puzzles in three difficulties.

A flat-design survival game: slide along the bottom dodging falling polygons and grab shield and slow-motion power-ups as the pace rises.

Dots and Boxes against a computer opponent: draw lines between dots and complete more squares than your rival.

Golf solitaire: clear the tableau columns by playing cards one rank above or below the foundation card.

A one-button music runner for js13k 2018: the level is generated from the soundtrack and you steer a ship through the gaps in the waveform. You can also upload your own song.

A nostalgic snake game with pause, restart and swipe controls on mobile. The interface is in Portuguese.

A tank battle game made for the 404 theme.

A toggle puzzle on a 5x5 grid: pressing a light flips it and its neighbors.

A one-tap stacking game: blocks swing on a crane and you drop each one onto the tower. Line them up well to build higher and score combos.

A vector-style space shooter: thrust around a wrapping field, blasting drifting rocks into smaller pieces while dodging UFOs.

A configurable minesweeper: choose any board size and bomb count.

A small game about making coffee.

A rhythm reflex arcade where walls only open on the beat and you score by how close you skim them. Synthesised music, no assets.

An endless climber: keep going up as far as you can.

A js13k 2014 survival game: ride a bike along a path while gusts of wind try to push you off either side.

A js13kGames 2025 endless arcade platformer: a little cat leaps across floating diamond platforms in the sky.

A one-button js13k 2017 game: your car spins around the wall of a neon tunnel and must dodge oncoming obstacles, getting faster each time you switch direction.

A classic bubble shooter on HTML5 canvas: fire colored bubbles to make groups of three or more and clear the board.

A Ludum Dare 41 game (theme: combine two incompatible genres): a tuxedo cat pounces on the mice in its human's house.

An edge-matching puzzle where numbered square tiles must be placed so that touching edges carry the same number.

Search a dark pixel-art forest with a flashlight to find the hiding ghost.

Swing a wrecking ball on a tether to smash as many enemies as you can. If an enemy touches your ball, you are obliterated.

A card battler: draw cards for attack and defense but bust if your hand reaches 13 or the Death card appears.

You are lost in the middle of nowhere and must find your way to the exit while avoiding obstacles.

A Ludum Dare 40 game (theme: the more you have, the worse it is): burn off the burgers you are being fed at a bed and breakfast.

The classic five-in-a-row abstract strategy board game, played against a computer opponent.

A Ludum Dare 37 platformer: a purple dude must find the exit and catch coins. Updated with mobile support.

A 3D air hockey game against a computer opponent, built with Three.js and Box2D physics.

A Ludum Dare 44 mouse-only game (theme: your life is currency): spend life on cards that release hearts, and catch the hearts to earn it back within 60 seconds.

A side-scrolling platformer demo built without an engine: sprite animation, parallax scrolling, music, collectables and a tilemap level.

A tiny rhythm sprint: four coloured lanes send a daily seeded set of 18 pulses to catch on the ring.

A top-down canvas space shooter: enemy fighters dive at you in waves and loop back if not destroyed, and you must last about a minute and a half with three health bars.

A fast tapping game: emojis drop from the top of the screen and you tap them before they reach the bottom. It gets faster as you go.

A Trijam game made in under three hours: control a bug on a grid and dodge the footsteps of the humans above.

A tiny js13kGames 2018 endless runner: keep your bit online as long as possible, ducking and diving through the hazardous net.

A two-player canvas duel on one keyboard: pick your colours, then shoot and cast spells until your rival falls.

A clean minesweeper written in plain JavaScript.

Help a cat climb as high as possible across the rooftops, jumping between platforms and collecting fish for bonus points.

An EpicGameJam platformer: help RED remember his name by collecting its letters while jumping over spikes before time runs out.

An endless 3D racing game in 2 KB of JavaScript. The road is generated fresh every run: swerve and jump past rocks and trees and reach the checkpoints before the clock runs out.

A js13k 2015 entry that turns chess into an action game: as the black king you chase the white army down a scrolling 3D checkerboard to rescue your captured queen.

An endless racing time killer: drive and dodge all the obstacles for as long as you can.

An Outrun-style pseudo-3D racing game in HTML5 and JavaScript, built up in four parts: straight roads, curves, hills and the final version with traffic.

Pilot a lander and set it down safely on the moon.

A very small tile-based platform game: run and jump around a single level, collect the treasure and stomp the monsters.

An endless jumping game built with Phaser: pick an avatar and an environment, then keep landing on the scrolling platforms without falling off or hitting spike balls.

Race a network request up through maze levels, picking up packets on the way.

A simple spaceship shooter made in HTML, CSS and JavaScript.

A flood-fill colour strategy puzzle: change the colour of your corner pixel to absorb neighbours and fill the whole board in as few moves as possible.

A SameGame tile-clearing puzzle written in under 1KB for JS1k 2017: clear groups of matching colours, and bigger groups score more.

A compact canvas snake game.

A retro vertical-scrolling shoot 'em up built with Phaser, with procedurally generated terrain, ground turrets, flying enemy waves and collectible upgrades.

Aces Up patience drawn entirely in CSS with no images: discard cards until only the four aces remain.

A single-file snake game: eat food, grow longer and avoid running into yourself.

A game jam entry: shove the people who voted for the theme into the time-out room.

A side-scrolling space shooter with several enemy types, power-ups and levels, built on a small hand-written canvas engine.

A js13k 2016 fifteen puzzle with a twist: deliberate glitches mess with the board while the clock ticks.

A js13kGames 2017 survival game by Steven Copeland: keep the square in the air for as long as you can.

A js13kGames 2017 arcade game by primedcore: a bouncing ball jumps to catch the points falling around it.

A top-down 2D soccer game for two players on one keyboard, with an optional single-player mode against a computer opponent.

A procedurally generated low-resolution shoot-'em-up in two colours, made in four days for a game jam. Blast through waves of enemies and crack the giant space egg for a big bonus.

A minimal one-screen Ludum Dare 31 reflex game: dodge enemies coming at you from opposing tracks.

A plain JavaScript snake game: eat the food, grow longer and avoid your own tail.

Rock, paper, scissors against a small neural network that learns from your last moves to predict what you will play next.

Rock, paper, scissors against a computer opponent that remembers your patterns and tries to predict your next throw.

Golf solitaire in pure CSS and JavaScript: clear the tableau by playing cards one rank above or below the waste card.

An upside-down platform jumper: drop as far down as possible.

A missile-defense game made for js13kGames 2024 (theme: Triskaidekaphobia). Aliens drop spiked bombs in batches of 13 and you launch rockets to blow them up before they land, with rising speed, bosses and text-to-speech

A simple platform jumper turned upside down: steer the hero as he falls from platform to platform for as long as possible.

A Ludum Dare 48 narrative experience (theme: deeper and deeper), made in 24 hours.

A simple js13kGames 2018 reaction game: change lanes at exactly the right moment.

Guess the hidden animal one letter at a time, with six wrong guesses allowed.

A js13kGames 2015 platformer where a ninja switches gravity to get around the level.

A top-down 2D time-trial racer with several tracks and cars; lap times are recorded as you go.

A minimal slow-motion shooting game: freeze the bouncing balls into slow motion, then pick them off with a limited number of shots.

A js13kGames 2023 maze game: a king in a medieval castle collects gold coins across a scrolling labyrinth without falling off the bottom.

A js13kGames entry where you are the human behind the captcha: pick every picture that matches the animal named.

Tic-tac-toe against a minimax computer opponent.

Find three cloaked starships hiding on a moon grid by firing paint missiles: green splats are misses, pink splats are hits.