Very, VERY underrated. Sorta frustrating at first. 955/1100 gamerpoints
Full auto is a fun racer, more casual than hardcore, and can be learned pretty easily in 10 or less minutes, it features the unwreck feature which makes you able to rewind what you've done, it is one good idea, and Sega does a good job of spreading this throughout the whole single player game. The Graphics look pretty good, the cars are nice and shiny, and if you crash you see nearly very realistic damge done to your car if you've hit something, or someone just shot your tires with their 50. Cal. The cars sound powerful, but the weapons especially the missles sound a little to weak to actually be missles. But the sound effect are generally very good.
Not many people play online, but if you can find a few people to play with which is by no means hard, it is atually very very enjoyable. With having live support, it sports split screen action, and also a very very long campaign, being 12-20 hours long. I liked this game because it was a little more casual, and I like to see pretty graphics, I recommend you to buy this game because the achievements are fun, the campaign is good, and its only $30.