Forza Motorsport 5
Price: $60
This is the system's visual showstopper, from the chrome of an exotic Ferrari to the vistas of Australia's iconic Mount Panorama racetrack. Its most intriguing innovation is Drivatar, which creates digital doppelgangers based on the driving tendencies of each human player. The result: Even when you're competing against computer-controlled cars, it feels like you're racing against other people. It's exhilarating.