In Battlefield: Bad Company 2, the online multiplayer mode is a complete standout, it features huge maps, destructible environments, really powerful vehicles, and tremendous sound design. The draw distance and beautiful vistas are a treat to the eyes and the impressive destructible environment forms a key element of the gameplay. The single player campaign has a ton of cinematic moments and is a solid 6-7 hour experience, but the real star of the show here is multiplayer which will keep you coming back for more.
#3 Civilization V
Civilization V is another instance of turn based bliss that'll keep you from socializing for a long time to come. It makes various exercises of its power on your mind by making use of many tricks the series has long been known for. The efforts to make the interface more user friendly might lead you to believe that Civ V dumbs down the series, but make no mistake the apparatus powering the game is as complex as ever. One last turn...
#2 Mass Effect 2
Mass Effect 2 is a landmark game, and lives to the hype of a sequel to the original which was a smash hit. The epic sci-fi role playing game continues the story of Commander Sheppard, and his journey to avert an impending galactic apocalypse. Probably one of the most cinematic, interactive and dramatic role playing ever created, Mass Effect 2 is a rpg fans' dream. It is one of the most personal video game experiences ever created, as your choices will affect the story in a profound way. All the technical issues associated with the original game have been listened and corrected in this sequel. It is a gorgeous looking space opera not to be missed by rpg fans.