W3KingdomsWAchaea, Dreams of Divine LandsWAncient AnguishWArmageddon (MUD)WAvalon: The Legend LivesWAVATAR (MUD)WBatMUDWDiscworld MUDWDragonRealmsWEmpire (online game)WGemStone IVWGenesis LPMudWGodWarsWIfMUDWLegendMUDWLost Souls (MUD)WMUD1WMUD2WMiddle-earth in video gamesWNuclear War MUDWThreshold (video game)WTorilMUDWXyllomer