And if you're not - well, you've been missing out of some great stuff.
From Halo 4 to Call of Duty Black Ops 2, hardcore gamers have been well catered for this year.
A new Mario game and Pikmin 3 are keeping the Nintendo fans happy, while Lego City: Undercover (or Grand Theft Lego as it's unofficially known) is also winning plaudits.
Take a look below to see the best game trailers released so far at this year's show.
Let us know in the comments which you're most excited by.
Star Wars: 1313
This new 'mature theme' Star Wars game will see you enter a criminal underworld. <a href="http://www.lucasarts.com/games/1313/" target="_hplink">Check it out in more detail.</a>
Call of Duty: Black Ops 2
Super Mario Bros. U
The new Mario game for Nintendo's Wii U console.
Assassin's Creed 3
Enjoy killing British soldiers? Then you're going to love the next Assassin's Creed game, as evidenced here.
Lego City Undercover
Aka Grand Theft Lego?
The Last of Us
A new survival game exclusive to PS3.
Another zombie game? Yes - but it's just for Wii U and is set in London.
Splinter Cell: Blacklist
Far Cry 3
Dead Space 3
South Park: Stick of Truth
God of War: Ascension