NAME ACTIVE? KEYWORD URL 2 Moons Yes MMORPG http://2moons.acclaim.com/ 2029 Online Yes MMORPG http://2029.igg.com/main.php 3B Yes http://3b.net/browser/newhome.html 3D City Yes Virtual world http://www.3d-city.net/ 3D Planets No Virtual world http://www.3dplanets.com/ 3Dee Virtual Reality Yes Virtual world http://www.funsites.com/in-virtu.html 3Di OpenSim Yes Virtual world http://3di.jp/en/ 3DXplorer Yes Virtual world http://www.3dxplorer.com/ 3rd Rock Grid Yes Virtual world http://www.3rdrockgrid.com/ 4story Online Yes MMORPG http://global.4story.com/ 4th Coming, The No MMORPG http://www.t4cv2.com/ 5Street Yes MMOG http://www.5st.us/Default.aspx 8D World Yes Virtual world http://www.8dworld.com/ 9Dragons Yes MMORPG http://9dragons.acclaim.com/ Absolute Terror Yes MMORPG http://www.absoluteterror.net/ Abyss Museum of Ocean Science Yes Virtual world http://slurl.com/secondlife/Gun/55/42/82 Ace Online Yes MMOG http://ace.subagames.com/ Action AllStars Yes Virtual world http://www.actionallstars.com/reg/ ActionJetz Yes Virtual world http://www.actionjetz.com/ Active Worlds Yes Virtual world http://www.activeworlds.com/ Active Worlds Educational Universe Yes Virtual world http://www.activeworlds.com/edu/awedu.asp Adellion Yes MMORPG http://www.adellion.com/ Adventure Rock Yes Virtual world, Online world http://www.bbc.co.uk/cbbc/adventurerock/ AdventureQuest Worlds Yes MMORPG http://www.aqworlds.com/ Aerrevan Yes MMORPG http://www.aerrevan.com/