PopCap Games
Downloadable games for the PC, Mac and Wireless platforms. Includes Bejeweled, Feeding Frenzy 2 and Alchemy.
http://www.popcap.com/

Nickelodeon Games
Free single-player and multi-player games. Many games feature Nickelodeon characters such as Jimmy Neutron and Spongebob Squarepants.
http://www.nick.com/games/

Bullseyes Games.com
Offers games such as solitaire, worms, yahtzee, checkers, trivia, and asteroids.
http://www.bullseyesgames.com

Goobix.com
Offers simple but imaginative games, attractive puzzles and crosswords.
http://www.goobix.com/

Yahoo! Games
Internet gaming community offering free multi-player games, downloadable games and games clubs. Also news, reviews, demos, ratings, and cheats.
http://games.yahoo.com/

EZone
Includes games like Valet Ballet, Lenny's Solitare and Fat Boy.
http://www.ezone.com/

BillsGames.com
Card games, puzzles, word games, board games, and mazes. Games are compatible with all browsers including WebTV, AOL, and WorldGate.
http://www.billsgames.com/

Pogo.com
Provider of family-based games for everyone including card, board, word, trivia, bingo and casino games with no software installation, plug-ins or long download time.
http://www.pogo.com/

Blazing Games
A large collection of Java and Flash games in a variety of game categories. New content is released each week.
http://blazinggames.com/

Abnormally Fun Games
Features Java and Flash games including Mah Jongg, Slots, Video Poker, Java Blackjack and Hangomoto.
http://www.explodingcigar.com/content10-25.html

Astrodragon
A selection of free web based games.
http://www.astrodragon.com

Klorg: Games
Offers 10 games including Tic Tac Toe, Klorgtris, and Rocket Launch.
http://www.klorg.com/games/

Sallini.com
Provides a variety of JavaScript and Flash games.
http://sallini.com/games/

Global Fun
Offers games such as Babies, RollerBoy 2, and Insectazoids.
http://www.globalfun.com/

GamesGnome
Features free online games ranging from action and arcade games to poker and word puzzles.
http://www.gamesgnome.com/

RadicalPlay
Games in the genres of racing, flying and action. No registration is required.
http://www.radicalplay.com

Gamemakers
Includes titles such as TaxiGame and BoulderGame. Also includes a reflex tester.
http://www.gamemakers.de/

Cool Breeze Games Room
Play a selection of classic games free online.
http://www.coolbreeze.co.uk/guide/games/index.html

Lycos Gamesville
Fun, free games in genres including puzzle, card, bingo, board, word and casino. Cash prizes, and no software to install.
http://www.gamesville.com

Go To Free Games
Solve puzzles, play memory game, piece together jigsaw puzzles, play blackjack or 5 versions of solitaire.
http://www.gotofreegames.com/

Flash Game Machine
A large collection of Flash and Shockwave games.
http://www.aftergames.com

Gamez Arena
Collection of original Flash and Shockwave games including action, adventure, classic, puzzle, and strategy games. Includes player ratings and high score lists.
http://www.gamezarena.com/

Internet Games Online
Offers a number of Flash, Shockwave, and Java single-player games.
http://www.igol.be

4WebGames
Collection of online games including driving, arcade, puzzle, card, multiplayer, and WebTV games. Includes community forum and high score lists.
http://www.4webgames.com/

3D Joe Arcade
Offers original Flash and Shockwave games including the Water Balloon Drop series, Juiced, and Earn Your Rank.
http://www.3djoe.com/arcade/index.html

Fetchfido's Free Online Games
A collection of free online games in Flash Shockwave and Java.
http://www.fetchfido.co.uk/games/menu/games_menu.htm

Game Garage
A large collection of categorized games with no registration required, useful load time indication.
http://www.gamegarage.co.uk/

GameHouse
Free video games you can download or play online, with titles ranging from action and arcade games, to shooting and puzzles.
http://games.ncbuy.com/

RealOne Arcade Games
Selection of online web games of different genres, category and load time indication.
http://games.real.com/webgames.php

Fun and Games
Arcade games, checkers, solitaires, trivia, sweepstakes, casinos. Something for everyone from novices to pros.
http://www.dollarman.com/games/

Zylom
Free online singleplayer and multiplayer games in multiple languages.
http://www.zylom.com/

Necromanthus
Flash and Shockwave versions of video games including Warcraft, Diablo, Prepelix, Doom, Dizzy, and Heretix.
http://necromanthus.com/

Fingertime
Free Flash games, and mini games to play online and download.
http://www.fingertime.com/

Gamevial Games
Play 2D 3D web games and online puzzles, free game downloads.
http://www.gamevial.com

Arcade Town
Provides arcade, shooting, java, flash and puzzle games.
http://www.arcadetown.com/

PitStreet
Community offering arcade, casino, and puzzle games, forums, player rankings, and game editor for registered members.
http://www.pitstreet.com/

Attic Games
Shockwave and Flash games in a variety of genres. No registration is required.
http://www.atticgames.net/

FlyOrDie
Developer of online 3d multi-player web games.
http://www.flyordie.com

GameDesire
Play word, arcade, pub, board and card games with Rankings and tournaments available.
http://www.gamedesire.com/

FreeWorldGroup
Site has a large collection of online games and freebies, Registration is not required.
http://www.freeworldgroup.com

Villainy Amusements
Selection of word games, puzzles, blackjack, compatibility and personality tests.
http://www.villainy.com/

Great Day Games
Features free online flash games such as Mah Jongg, Sudoku and Solitaire.
http://www.greatdaygames.com

AddictingGames.com
A very large collection of free Flash and Java games in numerous categories.
http://www.addictinggames.com

PlayingWeb.com
Free online Flash and Java games organized into categories. [English/French]
http://www.playingweb.com/

GameScene
Over 150 original Flash and Shockwave games made by CleverMedia.
http://www.gamescene.com/

Active Mind
Contains and IQ test, visual memory test, Nasdaq investment simulations with real quotes, and premonition tests. Registration is required.
http://www.menteativa.com.br

King.com
Community games platform for skill and free games online (flash based). Skill games include card, word, puzzle, sport and arcade games. Play for free or for cash.
http://www.king.com/

Games.com
Offers online and downloadable games including card and board, puzzles, word games, and classic arcade. Also provides cash-play and a community.
http://www.games.com/

Rancon
Internet gaming portal offering free flash and shockwave games. Includes tournaments, downloads and mobile games.
http://www.joyjam.com/