Can't believe this is NOT all over the front page. 6.6 rating? Are you kidding me?
User Rating: 10 | EVE Online PC
This game is the most in-depth game ever designed. WOW can only aspire to what EvE has achieved. I've never played any game that is soo freaking addictive for years to come, its like a 2nd job. Though at times the game is harsh it only makes it soo much more fun to be the one dealing the harshness. One day they will un-nerf Amarr race and .... well, by then I'll be fully trained in Minmatar, nvm :) Anyways, this game has 20k-30k users playing anytime you login to it. All these players fight over limited resources, its crazy. If you are a hard-core gamer you must try this out. Tip from the start, is join a pvp-based corp and ASK QUESTIONS! The playerbase is mostly adults spanning the entire globe so it should make your gameplay easy.
PS. If you do try it, and get addicted don't forget me :) In game char name: Ronja 
