Addicting game #1

Which is the most addicting game?I am sure you guess-World of Warcraft.Everyone who tryed WoW knows..it doesn't let you go away from your computer...Untill you see the hole addicting world full of misterious lands and quests,untill your caracter have full epic equipment but still there is always something to do in WoW, like getting reputation with different factions,doing battlegrounds and sometimes just to stay in Main citys and talk with people..