See also:
Def-Logic Videogames - Collection of free JavaScript videogames.
Alienballs Slightly addictive game, nice interface and world-wide high scoring. http://alienballs.simplewind.com/
Armin' Web Games Play for free Battleship, Mahjong, Connect Four, Marble Solitaire, puzzles. http://www.kielack.de/games.htm
Arun's JS Games Original games by Arun Narayanan. Puzzles, jigsaw, number guessing games, and tic-tac-toe. http://jsgames.sourceforge.net/
Big Brother Game Plus free big brother eviction night tickets and backstage passes to aftermath party. http://submit.fateback.com/bigbrothergame.html
Cowthello JavaScript version of the board game Othello using cows instead of counters with simple computer opponent. http://www.aurochs.org/games/cowthello/
DaveDigitalWorks Browser games like Battleship, Memory, 3D Tic Tac Toe, Memory, Connect 4 and Same Game. http://www.overtimemedia.com/html/bgames.htm
Explorer Solitaire JavaScript Library for building Solitaire Games with many demos like Klondike, Free Cell, and Canfield. For Internet Explorer only. http://www.siteexperts.com/games/solitaire/page1.asp
Hop Studios Games Colorful Tic Tac Toe and Connect 4 in JavaScript for two players. http://www.hopstudios.com/games/
HotBlocks JavaScript Games Free Hot Blocks and MetaSpider java script games that can be installed and played on any web page in less than 2 minutes. The applets are a single cut and paste line. http://www.hotblocks.com/
Javascript Arcade Play classic arcade games online or download them for offline gaming. Titles available include Space Invaders, Moon Patrol, Donkey Kong and Asteroids http://www.zen150420.zen.co.uk
Javascript Minesweeper A Javascript version of the classic Windows game Minesweeper, with beginner, intermediate, expert and custom levels. http://www.thonky.com/mine/
JavaScript Minesweeper Game JavaScript clone that looks like the Windows Minesweeper implementation. Includes high scores and a few useful options. http://www.chezpoor.com/minesweeper/minesweeper.html
100 JavaScript Online Games Offers 1-player and 2-player games from many genres: puzzles, word games, board games and card games. http://www.lutanho.net/stroke/online.html
The JavaScript Source Play the classic games Battleship, Mastermind, Blackjack, Connect 4, Breakout, Memory or Tic Tac Toe or any of the dozen other games. Including each game's source code. http://javascript.internet.com/games/
Jennifer Burke's MasterMind Play a nice JavaScript implementation of the game MasterMind. http://www.industrious.com/mastermind/jburke_mastermind.html
JS-Games.de JavaScript implementations of games including Minesweeper, Mastermind, Memory, Tetris, Pacman, Sokoban and Othello, with highscores and commented source code. http://www.js-games.de/index.php?lang=eng
K. Moriyama's JavaScript Games A collection of games mainly coded for the 4.x generation of web browsers including Hard Block, PacMan, and Tetris. http://plaza.harmonix.ne.jp/~jimmeans/
Last Defence JavaScript shoot-'em-up using DHTML. http://www.dtek.chalmers.se/~d3wall/lastdefence.html
Mazesmith A maze generator written in JavaScript, and is able to be printed or played through a web browser. The maze is fully customizable with many options. http://mazesmith.sourceforge.net
Mr Mojo Risin Fun JavaScript games to play, including Breakout, Minesweeper, Tic Tac Toe, Poker, Rock Paper Scissors, and Snake. http://www.angelfire.com/ny/DrewIbarra/Games/Games.html
Name that celebrity game Javascript game where players are given a picture of a celebrity and attempt to name him/her. High score is recorded when the game ends. http://dawallz.net/name-that-celebrity-game.aspx
Peeptin A tiny (130 pixels wide) javascript game that users can insert on their web page with a simple cut-and-paste of the code provided. It is a free clone of the classic "15" puzzle, and works with all browsers. http://www.flooble.com/scripts/peeptin.php
Peter Box Puzzle game derived from the Japanese puzzle game "Sokoban". [Does not work in Internet Explorer] http://bisqwit.iki.fi/jsgames/peterbox/
Procrastinator's Games Battleship, Blackjack, Pong, Tic Tac Toe and more 1 and 2 player games to play in your browser. http://www.geocities.com/timessquare/metro/6209/games/index.html
Remet Board Games Javasript games based on classic board games, as well as some more unique puzzle games. http://remet.dynalias.com
Surgery.matrix.jp Collection of JavaScript word games. http://surgery.matrix.jp/comp/js/index.html
Tile Sliding JavaScript Game Puzzle based on the classic 15 Slider game. Varying difficulty level. http://chemeng.p.lodz.pl/zylla/games/slide16b.html