Need for Speed: Undercover Cheats

Bowling with Hector (Bronze): Complete the Hector sequence in the mission 'Kingpin'
Branching out (Bronze): Unlock Sunset Hills in Career
Cat and Mouse Virus (Bronze): Infected with the Cops N' Robbers virus by another player in a Cops
Chase or be Chased (Bronze): Win all the Highway Battles in Career
Community Member (Bronze): Create or use an existing account to sign into EA Nation
Completionist (Gold): Dominate 100% of Career by beating all the track records
Crossing the Line (Bronze): Win a Ranked Multiplayer Cops N' Robbers event
East Fasulo Bridge (Bronze): Dominate the East Fasulo Bridge event
East I-5 (Bronze): Dominate the East I-5 event
First of Many (Bronze): Win a Ranked Multiplayer event against 7 human players
First! (Bronze): Won a Multiplayer Ranked Game
Freeze! Hold it right there! (Bronze): Take a Photo and upload it to NeedforSpeed.com
Get out of the way! (Bronze): Avoid 5 Road Blocks in a Pursuit and successfully evade in Career
Gold Coast to Ocean (Bronze): Dominate the Gold Coast to Ocean event
Hired Goons (Bronze): Takeout all the 'Goons' in Career
Keys to the City (Bronze): Unlock Port Crescent in Career
Learner's Permit (Bronze): Acquire your first car in Career Mode
Lose the Eye in the Sky (Bronze): Escape from a helicopter in a succesfully completed pursuit. (Must be Career level 8 or greater)
Lose the Fuzz (Bronze): Sucessfully complete 5 Pursuits
Love thy Tires (Bronze): Avoid 12 Spike Strips total in Career pursuits
Meet Carmen (Bronze): Face off against Carmen in 'The Game'
Meet Hector (Bronze): Face off against Hector in 'Versus'
Meet Nickel (Bronze): Face off against Nickel in 'Road Rage'
Meet Rose (Bronze): Face off against Rose in 'Rollercoaster'
Meet Zack (Bronze): Face off against Zack in 'Rush Hour'
Most Wanted (Gold): Sucessfully complete 50 Pursuits
Nickel and Dimes (Bronze): Complete the Nickel sequence in mission 'Payback'
North River Expressway (Bronze): Dominate the North River Expressway event
Nothing Stock (Bronze): Discovered all 3 Tuning Shops in Career
Notorious (Silver): Finish 119 Multiplayer Races in any position
Own the Road (Bronze): Dominate 25 events in Career
Path of Destruction (Bronze): Disable 10 Police Cars in a Pursuit and successfully evade in Career
Pine Creek & Douglas (Bronze): Dominate the Pine Creek & Douglas event
Platinum Trophy: Platinum Trophy
Retired (Gold): Finish the Career Story
Scrapheap (Bronze): Disable 100 Police vehicles
South Canyon Hwy (Bronze): Dominate the South Canyon Hwy event
Spiked Punch (Bronze): Avoid a spike strip in a Pursuit and successfully evade in Career
To Protect and Serve (Bronze): Complete the Carmen sequence in the mission 'Rematch'
Tri-City Run (Bronze): Dominate the Tri-City Run event
Unstoppable Force (Bronze): Avoid 50 Road Blocks in Career
Wasting Tax Dollars (Bronze): Get $100,000 Cost to State in a single pursuit and evade
Window Shopper (Bronze): Discovered all 3 Pro Shops in Career
Zack Trap (Bronze): Complete the Zack sequence in 'The Trap' mission

Challenge Series Unlockable Cars
Download and beat the Challenge Series to unlock these new cars.

Battle Machine RX-7: Win the first 30 Challenge Series Events.
Dominator Corvette Z06: Dominate over 30 Challenges Series Events.
Speed Machine 911GT2: Win all 60 Challenge Series Events.