Skyrim.
Beautiful world of Tamriel, epic stuff to do and many dungeons. Plus you can do magic and be friends with a guy who can shout people away. Also, you can try and I mean try to kill Dragons, or ride them. Which is epic. And many more reasons.
Become an uber uber duper super epic ultra badass mage and learn every spell & invent spells and possibly discover immortality. Kill dragons if possible, be-friend the Dragonborn and explore every town and city and nation in Tamriel, go to every country and generally be a hero.