Browser-Based Games

Boardgame

• 3D Hartwing Chess Set - 3D chess game done in HTML/CSS/JS.
• Desperate Gods - Free online board game that was designed to be played just like a board game in real-life: no rules are enforced by the computer. Play it now!
• Green Mahjong - Solitaire mahjong game done in HTML/CSS/JS.
• Lichess - Free chess game using HTML5 & websockets, built with Scala, Play 2.1, MongoDB and Elasticsearch. Play it now!

Arcade

• Alge's Escapade - HTML5, JavaScript, GameJs arcade game where you control an Algae. Play it now!
• Alien Invasion - Demo Game for Mobile HTML5 Game Development. Play it now!
• Arashi - Arashi is a clone of the Arcade game Tempest. Play it now!
• Asteroids - Pure JavaScript asteroids. Play it now!
• Avabranch - GitHub Game Off 2012 entry. Play it now!
• Ball And Wall - Pure JavaScript arkanoid style game. Play it now!
• Captain Rogers - Captain Rogers: Asteroid Belt of Sirius - HTML5 mobile game created using ImpactJS. Play it now!
• Cell Mates - Game made in 48 hours for the 2013 Global Game Jam.
• CHANG€ - Intense game about the extreme life of supermarket cashiers. Play it now!
• Chromacore - 2D musical platformer set in a dark, black & white world that progressively becomes more colorful and happy through successful gameplay.
• Circus Charlie - HTML5 tribute created in Phaser. Play it now!
• Clumsy Bird - Flappy Bird clone in JavaScript using MelonJS. Play it now!
• Codename Lumberjack - Simple flash game written using Actionscript 3.0 and Flixel. Play it now!
• Coffee Snake - HTML5 snake game written in coffee script. Play it now!
• Coil - HTML5 canvas game where you defeat enemies by wrapping enemies in your trail. Play it now!
• Color Quest - Infinite runner following a black and white pixel's quest to change into a color pixel.Play it now!
• Core Commiter - GitHub Game Off 2012 Entry. Play it now!
• Crappy Bird - Flappy Bird clone in JavaScript and Canvas2D API. Play it now!
• Custom Tetris - Play the classic Tetris game the way you like it. Play it now!
• Digger - HTML5 version of a Boulderdash game. Play it now!
• Drakonas - Classic shoot 'em up game build with the Three.js library. Play it now!
• Drill Bunny - Written in JavaScript and using the great Phaser library. Play it now!
• DuckHunt JS - DuckHunt ported to JS and HTML5 with a level creator. Play it now!
• EKG Runner - Game made in 48 hours for the 2013 Global Game Jam.
• Emberwind - HTML5 port of the indie platform game Emberwind. Play it now!
• ExecutiveMan - JavaScript MegaMan clone. Play it now!
• Fluid Table Tennis - Renders a table tennis game interacting with a full-color real-time fluid simulation at 60 FPS. Play it now!
• FlxInvaders - Very simple Flixel game inspired by the Taito classic. Play it now!
• FlxTeroids - Very simple Flixel game inspired by the classic arcade shooter. Play it now!
• Grave Robbers - Sort of GIRP-inspired tower defense. Play it now!
• Heal 'em All - Imagine, what if the cure exists? What if zombies plague can be stoped? Explore old, abandoned graveyard, heal as many zombies as you can, and find your way out. But be careful not to become one of them. Play it now!
• HotFix - Help Hotfix collect stargazers and avoid enemies. Collect commits to upgrade hotfix and add new features. Play it now!
• hurry! - Small but speedy arcade shooter. Play it now!
• Hyperspace Garbage Collector - General Hyperspace Waste Management Solutions. Play it now!
• Jekyll & Hyde Collide - Multi-layered infinite side-scroller. Play it now!
• Marble Soccer - Marble game for learning three.js.
• Mario 5 HTML - Infinite Mario in HTML5 JavaScript - using Canvas and Audio elements. Play it now!
• Mega Girl - Megaman inspired game. Play it now!
• Masonry JavaScript Tetris Clone - Tetris clone created using HTML5/JavaScript/Phaser. Play it now!
• Mode - Small(but sadly not that simple) demo game built on the Flixel framework. Play it now!
• Monster Wants Candy - Simple HTML5 game created with Phaser 2.0.7. Play it now!
• Newton Adventure - Play Newton, a very special hero who has the power to change gravity direction! Play it now!
• Octocat Jump - GitHub Game Off 2012 Entry. Play it now!
• Onslaught Arena - Fight off hordes of classic medieval monsters in this fast paced arcade shooter!Play it now!
• Pappu Pakia - Addictive game where you guide little Pappu around obstacles while collecting coins, stars, and berries and avoiding enemies known as Pakias. Play it now!
• PixelPlatformer - Simple platformer game that demostrates the power of the Entity game engine.
• PolyBranch - Minimalist 3D game. Dodging branches may seem easy at first, but how long can you hold up as you approach terminal velocity? Play it now!
• Protocol 390 - To survive in People's Park, you must supply the prophet with change. Play it now!
• Raging Gardens - Javascript/HTML5 web browser game where a a hungry (ninja) rabbit farts too often. Play it now!
• Release Cycles - Abstract racing game where you fight against the clock and the computer to get as far as you can in a product's life-cycle.
• Ski Free - JavaScript port of the classic PC Game, Skifree. Play it now!
• Snake - Clone of the classic Snake game. Play it now!
• Space-Shooter - A classic shoot'em up space shooter build in HTML5 with multiplayer. Play it now!
• Phaser Snake - JavaScript version of the snake game, created using the Phaser Engine.
• SORADES 13K - Scrolling shooter in the vein of "Raptor: Call of the Shadows" and "Warning Forever". Play it now!
• Space Crusade - HTML5 game developped with PhaserJS Framework. Play it now!
• Space Invaders - Remake of Space Invaders in require.js. Play it now!
• Super Mario Bros - Super Mario Bros level one written with Backbone Game Engine. Play it now!
• Survivor - Playable HTML + CSS + JavaScript remake of a space-based "shoot-'em-up" arcade game for Atari / Commodore 64 from 1982, including a level editor and design tool. Play it now!
• zedinvaders - Game is based on our original comic ZED, seen inside "zero-episode" called "Game Over". Play it now!

FPS

• BananaBread - Port of the Cube 2/Sauerbraten 3D game engine/first person shooter to the web, compiling C++ and OpenGL to JavaScript and WebGL using Emscripten.

RPG

• Diablo JS - Isometric minimal-code style game at html5 canvas and javascript.
• Roguish - RPG/Rogue-like game created in JavaScript. Play it now!
• Room for Change - Randomly generated action RPG. Play it now!

MMORPG

• BrowserQuest - HTML5/JavaScript multiplayer game experiment. Play it now!

Strategy

• Command & Conquer - Clone of the popular RTS. Play it now!
• Freeciv-web - An turn-based strategy game implemented in HTML5. Play it now!
• Tower Defense - 3D Tower Defense build with Three.js in HTML5. Play it now!

Racing

• HexGL - Futuristic HTML5 racing game by Thibaut Despoulain using HTML5, Javascript and WebGL. Play it now!
• Trigger Rally Online Edition - Fast arcade rally racing. Play it now!

Sandbox

• 3d.city - 3d city builder game. Play it now!
• Blk Game - Multiplayer Javascript/WebGL voxel world game demo. Play it now!
• Cube Engine - 3D engine completely written in HTML5 without OpenGL.

Puzzle

• 0hh0 - Companion game to 0hh1 by Q42. Play it now!
• 0hh1 - Lovely little logic game by Q42. Play it now!
• 2048 - Sliding addition game Play it now!
• A Dark Room - Minimalist Text Adventure game written in JavaScript. Play it now!
• Beatrix - Music game where you arrange the drums to catch the beats and play the right rhythm.Play it now!
• BitBot - HTML/JS game where you control a bot, which must sense, plan, and act. Play it now!
• Blockrain.js - Embed & play the classic game on your site. Simple as that. Play it now!
• Branching Out - Minimalist game about leaving home. Play it now!
• Clone Man - Puzzle, memory, retro game with simple graphics. Play it now!
• Drunken Viking - Retrace your drunken rampage in reverse time. Play it now!
• Ending - Roguelike puzzle game. Play it now!
• Follow me! A Simon Clone - Fully commented version of the famous game - Simon - in JavaScript, built using Phaser game engine.
• For King - Puzzle platformer game about a king in search for his lost crown. Play it now!
• Genetic Drift - Victor, an annoyed janitor dealing with a lot of annoyed clones and the problems that inevitably arise from genetic duplication. Will he make it home to feed his faithful pet companion?. Play it now!
• Hextris - Addictive puzzle game inspired by Tetris. Play it now!
• Infectors - Sokoban-like puzzle game developed with Phaser. Play it now!
• Lost! Beneath the Surface - You're a firefly lost in the dark, beneath the surface and must find a way out of the mazes created by the horrors in the dark. Play it now!
• Monkey Rally - JavaScript game created for the Ludum Dare #28 jam. Play it now!
• Ned Et Les Maki - Puzzle game with isometric 3D graphics inspired by Sokoban. Play it now!
• Orbium - Modern version of the 90's game Log!cal. Play it now!
• Parity - A numbers puzzle game. Play it now!
• Pond - A narrow fellow in the Pond. Play it now!
• Pop Pop Win - Implementation of Minesweeper in Dart. Play it now!
• Prism - Match all the colors. Play it now!
• Push and Fork - Puzzle game in which you carry a fork, push blocks, and go back in time.. Play it now!
• Sliding Puzzle - Sliding blocks puzzle game. Play it now!
• Swap - New(award winning) take on the classic tile-based puzzle game, where you change which character you're controlling to reach your goal. Play it now!
• TransCube - 2d puzzle platformer based on the concept of transforming into different "blocks", with their unique properties, and making you way to the end of the level with the provided transformations. Play it now!
• untrusted - Meta-JavaScript adventure game by Alex Nisnevich and Greg Shuflin. Play it now!
• Matching Pairs - Made in HTML5 using Phaser as the framework, original assets and generated music. Play it now!
• Zoko - 3D version of Sokoban. Play it now!
• Zop - Connect like colors. Play it now!

Clicker

• Particle Clicker - Addictive incremental game that teaches players the history of high energy particle physics. Play it now!

Others

• binb - Competitive, multiplayer, realtime, guess the song game. Play it now!
• Dental Defender: Saga of the Candy Horde - HTML5 shooter/tower defense game for the #CandyJam. Play it now!
• Hauberk - Hauberk is a roguelike, an ASCII-art based procedurally-generated dungeon crawl game. It's written in Dart and runs in your browser.
• HeartLine - Game made in 48 hours for the 2013 Global Game Jam.
• Psiral - JavaScript/HTML5 game, GitHub Game Off 2 winner. Play it now!
• Squirts - Well-known indie game implemented in JavaScript. Play it now!
• The Killer - Flash/ActionScript3-based "nongame". Play it now!
• Turkey Cooking Simulator - You have been invited to craft the centerpiece of the American thanksgiving dinner, the turkey. Woo your girlfriend / boyfriend and be judged by your future in-laws! Apply your culinary expertise to impress your family. Play it now!