Java

AppletOnline
Collection of Java game applets.
http://www.appletonline.com

Axiom-Games.com
Contains an original snake-like game.
http://www.axiom-games.com

Beat The Game
Offers Space Invaders, Defender, and Scrabble.
http://web.ukonline.co.uk/g.pearson/

Christian's Java Applet Games
A collection of 10 original Java applet games by Christian Hvid. Multiplayer chess, new versions of Bomberman, Pac Man and Mario brothers.
http://vredungmand.dk/games

EyeOne
Java based games including Void, Blocks, Abselute Zero, Tix, Castrol Racing, Overflow. Registration required.
http://www.eyeone.com/

Fun Spot
A collection of three java games: Blast 'Em, Cherry Picker, and Fireman Fireman.
http://www.largetech.com/

Fwend.com
A variety of Java games and puzzles available to play free.
http://www.fwend.com/

Gamegate
Features single and multiplayer Java games including puzzle, cards, action, board, casino, and kids games.
http://www.gamegate.com/games.jsp

Karsten's Java Games
Original java games including Rush Hour, Nibbly and Ping Pong. Updated regularly.
http://www.g5.dk/

Lunch Break Games
Collection of browser based games for play during that five minute break. Features level editors, highscore lists and homepages for registered users.
http://www.lunchbreakgames.com

Majinwar: Online Fighting Adventure
An epic fighting adventure like Final Fight and Streets of Rage. Choose from two characters and fight your way thru to the big boss.
http://www.majinwar.com

Netives.com
Site providing several browser-based Java games for free.
http://www.netives.com

PacDasher
Pac-Man clone. Includes original mazes and lets create custom mazes with XML. Requires Java 1.4.
http://oranda.com/java/pacdasher/

phatgames.net
A collection of over 40 free games including multiplayer and community games.
http://www.phatgames.net/play1.html

Pimpernel Online Games
A wide collection of online Java games. Play the games or order your own game to attract more visitors to your site. Registration required.
http://www.pimpernel.com/games/index.html

Planet Spogg
Multiplayer online games, chat and community.
http://www.spogg.com/

Play-Free-Games
Offers game with a sporting theme.
http://www.play-free-games.com/

PlayOK.com
Free online board and card games in Java.
http://www.playok.com/

Playray
Both multiplayer and single player games such as minigolf, pool, cannons, chess and many classical games. All games have player rankings or top lists.
http://www.playray.com/

Pyva.net
Collection of original Java board and puzzle games including Chapay, Teker, Fifteen, and Lines. Includes Hall of Fame.
http://pyva.net/eng/play/

Reystar Free Online Games & Stuff
Offers a collection of java games (mostly rehashes of old games)
http://www.reystar.com/free-online-games.htm

Scorched Earth 2000
Java version of classic game. Up to 8 players in multiplayer mode, single player mode with AI opponents. Requires Java 1.1 or higher.
http://www.scorch2000.com

SlimeAthlete Java Games
A collection of simple games such as Slime Volleyball, Slime Soccer, and Slime Basketball.
http://www.slimeathlete.com/

Smilie Games
Selection of original Java games including arcade, sports, and puzzles. Includes high score lists.
http://www.smiliegames.com/

SparkyLand
Features a selection of Java games. Includes Hang Monkey, the war game Wicked Battle, and the memory card game Remembery.
http://www.sparkyland.com/

Web Sailor Productions
An assortment of Java games including Tetris, Othello, and Mah Jongg.
http://www.khngai.com/

Zeeks Games
Contains many original java games geared towards the younger crowd.
http://games.zeeks.com/games.php