| Title | Studio | Publisher | Release Date | Status |
| 9Dragons |
Indy21 |
Acclaim Games |
Q4 2006 |
beta |
| Age of Conan |
Funcom |
Funcom |
Q2 2008 |
beta |
| Anarchy Online |
Funcom |
Funcom |
June 2001 |
released |
| Archlord |
NHN Games Corporation |
Codemasters |
October 2006 |
released |
| Asheron's Call |
Turbine, Inc. |
Turbine, Inc. |
Oct 1999 |
released |
| Atriarch |
World Fusion |
World Fusion |
unknown |
development |
| Auto Assault |
NetDevil, Ltd. |
NCsoft Corporation |
April 2006 |
closed |
| Cabal Online |
Games-Masters.com |
ESTsoft Corp |
unknown |
released |
| Carpe Diem |
Persistent Worlds Limited |
Persistent Worlds Limited |
December 2006 |
closed |
| City of Heroes |
Cryptic Studios, Inc. |
NCsoft Corporation |
April 2004 |
released |
| City of Villains |
Cryptic Studios, Inc. |
NCsoft Corporation |
October 2005 |
released |
| Dark Age of Camelot |
Mythic Entertainment, Inc. |
Electronic Arts, Inc. |
October 2001 |
released |
| Dark and Light |
Farlan Entertainment |
NP Cube |
May 2006 |
released |
| Darkfall Online |
Adventurine S.A. |
Adventurine S.A. |
unknown |
development |
| Dreamlords |
LockPick Entertainment |
LockPick Entertainment |
Feb 2007 |
released |
| Dungeon Runners |
NCsoft Corporation |
NCsoft Corporation |
May 2007 |
released |
| Dungeons & Dragons Online |
Turbine, Inc. |
Atari Interactive, Inc. |
February 2006 |
released |
| Dusktreaders |
Granite Games |
Granite Games |
Q4 2008 |
development |
| Entropia Universe |
MindArk PE AB |
MindArk PE AB |
January 2003 |
released |
| EVE Online |
Crowd Control Productions hf |
Crowd Control Productions hf |
May 2003 |
released |
| EverQuest |
Sony Online Entertainment |
Sony Online Entertainment |
March 1999 |
released |
| EverQuest II |
Sony Online Entertainment |
Sony Online Entertainment |
November 2004 |
released |
| Fallen Earth |
Icarus Studios, LLC. |
Icarus Studios, LLC. |
unknown |
development |
| Final Fantasy XI |
Square Enix Co., LTD. |
Square Enix Co., LTD. |
May 2002 |
released |
| Gods and Heroes: Rome Rising |
Perpetual Entertainment, Inc. |
Perpetual Entertainment, Inc. |
N/A |
canceled |
| Guild Wars |
ArenaNet |
NCsoft Corporation |
April 2005 |
released |
| Hero Online |
MGame USA Inc. |
MGame USA Inc. |
July 2006 |
released |
| Hero's Journey |
Simutronics Corp |
Simutronics Corp |
2007 |
development |
| Horizons: Empire of Istaria |
Artifact Entertainment LLC |
EI Communications Corp. |
December 2003 |
released |
| Huxley |
Webzen Inc. |
Webzen Inc. |
2008 |
beta |
| Irth Worlds |
Magic Hat Software, LLC |
Magic Hat Software, LLC |
November 2005 |
released |
| Lineage II |
NCsoft Corporation |
NCsoft Corporation |
April 2004 |
released |
| Lord of the Rings Online |
Turbine, Inc. |
Turbine, Inc. |
April 2007 |
released |
| Meridian 59 |
Near Death Studios, Inc. |
Near Death Studios, Inc. |
September 1996 |
released |
| Neocron 2 |
10Tacle Studios AG. |
10Tacle Studios AG. |
September 2002 |
released |
| Phantasy Star Universe |
Sega of America |
Sega of America |
October 2006 |
released |
| Phylon |
Rapid Reality Studios |
Rapid Reality Studios |
unknown |
beta |
| Pirates of the Burning Sea |
Flying Lab Software LLC. |
Sony Online Entertainment |
January 2008 |
released |
| Planetside |
Sony Online Entertainment |
Sony Online Entertainment |
May 2003 |
released |
| Rappelz |
nFlavor Corp |
Gala-Net, Inc. |
Novermber 2006 |
released |
| RF Online |
|
Codemasters |
February 2006 |
released |
| Roma Victor |
RedBedlam Ltd. |
RedBedlam Ltd. |
July 2006 |
released |
| ROSE Online |
Gravity Interactive, Inc. |
TriggerSoft, Inc. |
December 2005 |
released |
| Ruin Online |
BrokeAss Games |
BrokeAss Games |
Q3 2007 |
beta |
| Runescape |
Jagex Software Ltd. |
Jagex Software Ltd. |
January 2001 |
released |
| Saga of Ryzom |
Nevrax |
Nevrax |
September 2004 |
released |
| Scions of Fate (Yulgang) |
MGame USA Inc. |
MGame USA Inc. |
February 2007 |
released |
| Second Life |
Linden Research, Inc. |
Linden Research, Inc. |
June 2003 |
released |
| Shadowbane |
Stray Bullet Games, LLC. |
Ubisoft Entertainment |
March 2003 |
released |
| Silkroad Online |
Joymax Co., Ltd. |
Joymax Co., Ltd. |
February 2006 |
released |
| Soul of the Ultimate Nation |
Webzen Inc. |
Webzen Inc. |
Q2 2007 |
development |
| Space Cowboy Online |
MasangSoft |
Gala-Net, Inc. |
May 2006 |
released |
| Star Trek Online |
Perpetual Entertainment, Inc. |
Perpetual Entertainment, Inc. |
unknown |
limbo |
| Star Wars Galaxies |
Sony Online Entertainment |
Sony Online Entertainment |
June 2003 |
released |
| Stargate Worlds |
Cheyenne Mountain Entertainment, Inc. |
Cheyenne Mountain Entertainment, Inc. |
unknown |
development |
| Sword of the New World |
IMCGames Co LTD |
K2 Network |
July 2007 |
released |
| Tabula Rasa |
NCsoft Corporation |
NCsoft Corporation |
October 2007 |
released |
| The Agency |
Sony Online Entertainment |
Sony Online Entertainment |
Q4 2007 |
development |
| The Chronicles of Spellborn |
Spellborn International Ltd. |
Spellborn International Ltd. |
Q1 2007 |
beta |
| The Legend of Ares |
MGame USA Inc. |
MGame USA Inc. |
May 2006 |
released |
| The Matrix Online |
Monolith Productions, Inc. |
Sony Online Entertainment |
March 2005 |
released |
| Ultima Online |
Origin Systems |
Electronic Arts, Inc. |
September 1997 |
released |
| Vanguard - Saga of Heroes |
Sony Online Entertainment |
Sony Online Entertainment |
January 2007 |
released |
| Warhammer Online: Age of Reckoning |
Mythic Entertainment, Inc. |
Electronic Arts, Inc. |
Q1 2008 |
beta |
| World of Warcraft |
Blizzard Entertainment |
Vivendi Universal |
November 2004 |
released |