What are the 10 most popular video games in the world

1. Guitar Hero
2. Guitar Hero: 2
3. Guitar Hero: 3
4. Guitar Hero: Aerosmith
5. Guitar Hero: Rocks The 80's
6. Guitar Hero: Greatist Hits
7. Guitar Hero: World Tour
8. Guitar Hero Metallica
9. Guitar Hero: 5
10. (When There's Another Guitar Hero, It Will Be Number Ten)
:D
-Karissa
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askers note: I'm pretty sure angry birds was meant to be in there it had over 5 billion downloads,