极品飞车9可以说是极品飞车系列里最为经典的一代，耐玩性最高，下面是一些游戏的秘籍，使用方法也很简单，就是在刚进游戏，出现click any key to continue（点击任意键继续）的时候输入：

iammostwanted 获得所有车辆。

burgerking 进入额外的Burger King挑战模式。

castrol 获得隐藏车辆 Castrol Ford GTI。

在"点击以继续"画面或主选单输入以下密码

inthezoneskin = Autozone Vinyl Unlocked! 解开
syntecskin = Castrol Syntec Vinyl Unlocked! 解开
*5grand5grand = Castrol Cash Unlocked! 解开
shinycarsarethebestcars = Chrome Cars Unlocked! 解开
cooperlogofreeforyou = Cooper Tire Logo Unlocked! 解开
chasingmobile = Corvette Z06 Interceptor Unlocked For Quick Race! 解开可以在快速竞赛中使用Corvette Z06 Interceptor
guesswhoisback =Cross Corvette Z06 Unlocked For Quick Race! 解开可以在快速竞赛中使用Cross Corvette Z06
trashtalking = Rhino Unlocked For Quick Race! 解开可以在快速竞赛中使用Rhino
bigredfiredrive = Fire Truck Unlocked For Quick Race! 解开可以在快速竞赛中使用消防车
*friendlyheadlocksapplied = Infinite Crew Charge! 解开无限队员能量值
*nosforeverever = Infinite Nitrous! 解开无限氮气
slowitdownwhenyouwant = Infinite Speedbreaker! 解开无限子弹时间
*speed3foryou = Mazda Speed3 Unlocked! 解开 Mazda Speed3
*lotsoffreelogos = Need for Speed Carbon Logo Vinyls Unlocked! 解开极十车身图案
*lotsoffreevinyls = Need for Speed Carbon Special Logo Vinyls Unlocked! 解开极十特别车身图案
watchoutthebigtruckishere = Dump Truck Unlocked For Quick Race! 解开可以在快速竞赛中使用Dump Truck
pharrellvinylgogo = Pharrell Vinyl Unlocked! 解开
chasingheadlocksappliedrashtalk = Mazda Dealership Unlocked! 解开Mazda Dealership
givemethedb9 = 2005 Aston Martin DB9 Unlocked! 解开Aston Martin DB9
givemethechargersrt8 = 2006 Dodge Charger SRT8 Unlocked! 解开Dodge Charger SRT8
canyonalltheway = All Tracks Unlocked! 解开所有车子