It's not necessary that all the successful movies can be made into a successful video game (not counting stuff like Godfathar here) and as well the magic of earth shattering video games can be recreated on silver screen.

These days, its seems (especially 2006) the movie industries is going through a bad patch and all are eyeing to the video gaming industry for a quick cash success. Silent Hill is going to make its big screen debut very soon. Don't know how it will shape like? BloodRayne was a real crap. Mike Street has an interesting list of some exciting video games that can be made into movies.
Def Jam Vendetta
Getting Up
Urban Chaos
True Crime: Streets of New York
Fight Night
NBA Ballers