If you've been living under a rock, then listen up: Rockstar Games' Grand Theft Auto 4 (PlayStation 3, Xbox 360) is storming the shelves tomorrow! We know you can't wait to get your hands on this sandbox, action-adventure game; even the Guinness World Records has announced that it is keeping an eye on GTA IV to see if it will gain more gaming milestones upon its release.

Taking around US$ 100 million to make, Grand Theft Auto 4 is easily one of the most anticipated games of today, spurring controversies here and there. This is why Guinness World Records is wise to take notice. Besides, the Grand Theft Auto franchise has been a proven winner since the first game in the series was released. Here are GTA's current Guinness records:

• First Full "Sandbox" Action-Adventure - GTA 3
  
• Biggest Selling Game of 2001- GTA 3
• Biggest Selling Game of 2002 - GTA: Vice City
• Best-selling Playstation 2 game of all time - GTA: Vice City
• Best-selling PSP game of all time - GTA: Liberty City Stories
• Largest in-game soundtrack - GTA: San Andreas
• Largest Voice Cast in a video game - GTA: San Andreas
• Most Guest Stars In A Video Game Series - Grand Theft Auto Franchise