You may or may not have noticed that WoW is a MMORPG. Let us find out what this means

MMORPG stand for Massive Multiplayer Online Role Playing Game.

Key here are the words Massive Multiplayer Online.

Some research will tell you that MMO's are a genre on their own. Previous games include but are not limited too EQ,FFXI,GW(debatable)EQ2. You will notice one recurring theme MMO's are ment to be played with lots of people. Lots of people are only found online. Therefor the Online is automatically made part of the genre.

If you think OMGWTF do i care about MMO's. How much fun do you think you will have going into dungeons alone. dungeons even the smallest take 5 (five) people (not accounting for special cases and solo running low lvl dungeons) the whole game and i do mean the WHOLE game revolves around Multiplayer.

You might argue that you can solo your way to lvl 60. Yes you can, but is it intended, I think not.

Next up, why did Tetris not have a option to play against 15 other players at the same time.