www.tibia.com
Pirate King Online
Humorous online pirate game. Exaggerated movements and actions as well as objects with an atmosphere that is overall relaxed makes it interesting and unusual.
Free to play indefinitely.
http://www.piratekingonline.com/
Plane Shift
"A virtual fantasy world in which a player can start as a peasant in search of fame and become a hero. A real world with politics, economy, many non-player-characters controlled by the server that will bring to life our world even without players connected! "
Free to play indefinitely.
http://www.planeshift.it/
Pokemon Crater
In this game you can catch and train your own Pokemon, earn badges, and battle other players.
Free to play indefinitely.
http://www.pokemoncrater.com/
Priston Tale
An RPG with great graphics. Choose between 2 different tribes, explore the world And join other players' parties, all in real time. Available in English, Korean and several other languages.
Free, with option to pay for additional features.
http://www.pristontale.com/
Project Entropia
"In Project Entropia you will able to enter a whole world with amazing three-dimensional environments using a computer and the internet. It will be a massive virtual world where millions of users can interact with each other at the same time. Project Entropia will have a real economy system that allows you as a user to exchange real life money into PED (Project Entropia Dollars) and then back into a real currency again."
Free, with option to pay for additional features.
http://www.project-entropia.com/
Quest
Top down fantasy RPG.
Free to play indefinitely.
http://quest.iacl.org/
Ragnarok Online
An anime style online RPG based on Norse mythology. Very funny, lots of character classes. Graphics are 2D isometric; not cutting edge but beautiful nonetheless.
Free trial period, then pay to continue playing.
http://iro.ragnarokonline.com/
Rappelz
Fight in a beautiful 3D world with many monsters, skills and weapons. Choose from 3 classes. Follow a class path, take on a pet and much more.
Free to play indefinitely.
http://rappelz.gpotato.com/
Realm Wars
"Fantasy team hand-to-hand combat on an epic scale... Realm Wars allows massive numbers of players to team up and fight battles in a real-time action based format. Choose a race, customize your abilities and your appearance with an impressive array of weapons, armor and items -- then prepare for battle!"
Free to play indefinitely.
http://www.realmwarsgame.com/
Robot Rage
Build your own robot and fight others on a rooftop.
Free, with option to pay for additional features.
http://www.miniclip.com/robotrage.htm
Rose Online
Rose online is an action packed RPG with excellent graphics and combat based battle style.
Free trial period, then pay to continue playing.
http://www.roseon.com/
RPG World
"RPG World Online (RPGWO) is an online, persistent, massively multi-player(50-100?), role playing game."
Free to play indefinitely.
http://www.rpgwo.com/
Rubies of Eventide
While still unde construction, this Everquest-like RPG shows potential. The battle system is highly original, and the 3D graphics are impressive.
Free, with option to pay for additional features.
http://eventide.net/
Runescape
A 3D medieval fantasy role playing game with magic, quests, and a large world.
Free, with option to pay for additional features.
http://www.runescape.com/
Second Life
More than a game, this is an entire virtual world with limitless options... create your own objects and buildings (even own an island!), dance, chat, share music, soar through the sky... all with outstanding graphics. If you have a creative flare, this is definitely worth checking out.
Free, with option to pay for additional features.
http://secondlife.com/
Shadow Worlds
An isometric medieval fantasy role playing game.
Free to play indefinitely.
http://shadow-worlds.igray.ru/
Shadowbane
Though controls may take some getting used to, this game provides plenty of races, classes, spells, weapons, armor... Group combat is rewarded and pvp.
Free to play indefinitely.
http://www.shadowbane.com/us/
Shadowhunter Bloodlust
"Prepare to meet your new family. With your initial bite, you will become part of a thousand-year old bloodline and enter a family of darkness. Whether or not you are loyal to that family is entirely up to you. With each bite you inflict, you will recruit others to your clan. Along the way you may also need to dispose of un-worthy players who are not in the best interest for your family. Each clan consists of a hierarchy and politics play a part in this society of darkness."
Free to play indefinitely.
http://www.lasthalfofdarkness.com/bloodlust/
Sherwood Dungeon
Defend your honor in combat and meet and chat with players from around the world in an infinitely deep dungeon filled with monsters and treasure.
Free to play indefinitely.
http://www.maidmarian.com/Sherwood.htm
Silk Road
Beautifully rendered RPG set in ancient China.
Free to play indefinitely.
http://www.silkroadonline.net/
Space Cowboy
3D online mech fighting game.
Free, with option to pay for additional features.
http://sco.gpotato.com/
TerraWorldOnline
An amusing RPG with simple graphics but a great sense of humor.
Free to play indefinitely.
http://terragaming.net/
Thang
Adventure RPG set in an ancient magical world.
Free to play indefinitely.
http://thang.ongameport.com
Tibia
"Tibia is an internet game, a multi user dungeon with a graphical interface. Enter a medieval fantasy scenery, meet players from all over the world and have adventures together with them. Train your skills as a knight or become a magician to fight successfully against the dangerous monsters that terrorize the inhabitants of Tibia."
Free to play indefinitely.
http://tibia.4players.de/home/
ToonTown
Create your toon in the likeness of a disney mouse, duck, horse, dog, etc... play games against other toons for the currency, jellybeans! level up your gags and defeat the evil cogs!
Free trial period, then pay to continue playing.
http://www.toontown.com/
Trickster Online
Anime themed RPG much like Maple Story or Runescape. Impressive graphics, skills, and monsters.
Free to play indefinitely.
http://www.tricksteronline.com/
Water Margin
Set in the era of the Song Dynasty, character classes include Monk, Major, Taoist and more. Water Margin is a well known novel from China.
Free to play indefinitely.
http://www.108.com.my/
Well of Souls
"Well of Souls is a multi-player Role Playing Game (RPG). It is designed to be extensible through a simple scripting language so that you can compose your own quests and share them with your friends. You can also customize your skin and contribute art and music."
Free to play indefinitely.
http://www.synthetic-reality.com/wosHome.htm
Wyvern
"Wyvern is a multiplayer action/role-playing game similar to a text-based MUD (or "Multi-User Dungeon"), but Wyvern also has a graphical view of the game. Wyvern is a special game - if you make Wizard, you can create your own game worlds for other people to visit."
Free to play indefinitely.
http://www.cabochon.com/