• Cyberarmy Cyberarmy: Revolutionaire groep Netizens. 80000 leden.
• Hackquest German site: large collection of challenges. Hard to beat=)
• Mindfuk The challenges on this site are a mixture of exploit, encryption, programing and logic type challenges.
• Mod-X Your are a secret agent..complete your mission...
• Net-Force A from origin Dutch nice challenge site. Now also accesible for foreigners:D
• Pyramid Nice site: Each time you beat a challenge , your rank will increase. Nice Egyptian background story:)
• SERS SERS: Hacking Challenges Each time you beat a challenge, your will increase.

Kewl java games.

• Archmage Semi-Text Java Online Multi- Player Strategy. You are a mage. Build your city, research and cast magic, recruit or summon monsters or troops and much more. 
• Blastian Single Shooter. Blastian is by far the best action shooter on the web. It has awesome graphics, no lag and smooth play. It is a lot of fun even if you are not a shooter fan.
• Burning Metal 3D Single Racer. No lag, no download required. Have to wait bit for the game to load its graphics. Great graphics, 3D, race and blow up bad guys, score highest points.
• Dragon Court Graphical Online Multi-Player Adventure/RPG. choose to be either a warrior, wizard, nobleman or a trader. Complete quests to gain experience, money and items. One of the best RPG games online.
• Graal Graphical Online Multi-Player Adventure/RPG; also need files downloaded to your computer. Trust me on this one you will like it. Character-Sword-RPG-Fighting
• Jump Single Adventure. Jump, collect stuff, walk around 3D awesome worlds. Excellent graphics, a lot of fun. Can type a text in the high scores!
• Jurassic Park Adventure, Exploration. Dinosaurs running after you. Just like the movie, nice graphics.
• Mayan Adventure You are a pirate and go around places pick up treasures, etc. Graphical kinda RPG game
• Mercenaries of Dosbar Graphical Online Single- Player RPG, but with contests with others players. Hire mercenaries, take up dangerous missions, kill monsters, gain experience, gold and items. Advance to higher levels, use powerful magic and much more
• Scared 3D Single-player, first-person 3d shooter for Java version 1.1.3. Like doom, but online. Quick load, no download and fast. Pick up keys, health, bullets, shoot the bad guys and go up from one level to the next one. Quite old but still good graphics and good shooter game.
• Shadow Hunter ShadowHunter is a multi-player game between internet players. You may jump in anytime if there is a character slot open (or come back later if the game is full). Semi-Graphical. Fast internet connection recomended. Better if you have friends because then the room will never be empty.
• Silent Frontier Graphical Online Space Strategy game where you control either of the two races with the purpose of destroying your opponent while mining Hydrium, the single most important resource of the universe. The game includes Campaign, Tournament, Tutorial and Multiplayer modes. Highly recommended - just came out in alpha version only.
• Sol Develop your planet. Advance to control more planets. Advance to control galaxies. Start building spaceships. Basically from zero to space type. Limited time to play for ALL people, but can get more time per day if you pay. Graphical browser. Pretty good game if you have the patience.
• SPACE FANTASTIC game of space domination! Economy, Expansion, Ship Design, many ships, many races, research lots of tech, turn based, fast! Web browser + some graphics. I totally recommend this game! Good job designers!
• Star Dart Graphical Online Multi- Player Strategy. Take over planets. Construct spaceships and conquer more until you have pass the winning line. Game starts and finishes within a day.
• Tank Hunter This is a fun java game. Play it when angry. Does not take much brains. Drive a tank and blow up other tanks.
• Tapper Funny Beer Game. No download needed. Java/Action and Fast
• Terran Legacy Starcraft RPG online. Start as a marine and advance ranks. Buy armor, weapons, extra life. Train and promote yourself. Kill zerg, protoss, units etc. Semi graphical. Uses buttons to play. The faster your connection the more fun you will have.
• Trade Wars 2002 Text-based Online Multi- Player Strategy; advised to download a helper program + have to play every day to win. trade to make money, buy spaceships, build up planets, secure defense, take care of your population and much more
• Treasure Keeper Enter a dark fantasy world teeming with monsters, traps and fabulous treasures! Explore vile dungeons, crypts, and temples in this turn based strategy RPG. This game holds thousands of items and many secret characters and units which you can unlock and command. Play through in single player, or tackle up to 3 friends in our new multiplayer option.
• Tyrant Single player RPG. Fast & graphical. No save, not very attractive.
• Virtual Combat Graphical Java Online Multi- Player Strategy. Red Alert type, build bases, lots of resources, fight, kill, the usual. Very good graphics and a very good game indeed
• Warzone II Single Strategy. Like most of the tank games but more advanced. Has a few external views, internal view with a radar, a rotatable turret. Go around the town and blow up tanks by smartly moving your tank, using covers, etc.

• Chaotic Age turns based strategy game.
• Kings of Chaos Chaos is a land torn apart by war. A land where you must fight for power, fight for your freedom, and fight for your survival.
• Protect0rz kewl site: small..but its growing rapidly!
• Runescape Nice java-based game, with a kewl story. You can interact with other players.
• Skirmish turn based strategy game. Free to download. Bit warcraft idea, but then with modern attributes.
• Valheru Nice RPG:)

Wide variation of games.

• Bignetwork All kinds of nice games:)
• Castle games Java based classic games
• Chess Chess game
• Chess Another chess game: you can watch, play realtime and even by e-mail!
• Chess Html based with ranking ladder:)
• Dicemania Yahtzee on the Net:)
• Excite classic games variety of board games and card games:)
• Risk Risky game :-p
• Stratego Stratego online.

• Americas Army Americas Army: Free(!) Shoot em up, with very nice graphics. Very addicting.
• Counter Strike A nice shoot-em up. Very popular these days(and in the past;) )

Gooi alles er maar uit:)