Hit 11 Bonus Stunt items while completing Challenge 8.
All gadgets
Intentionally hit at least 30 Barrels while completing Challenge 7.
All worlds
Find the Hidden Key while completing Challenge 18.
Areas
Complete specified tasks to unlock following areas.
Area
Task
Burnout Glacier
Complete Mission 9 In Adventure Mode.
Crankshaft Bay
Complete Mission 6 In Adventure Mode.
Crankshaft Docks
Complete Challenge 8 In Challenge Mode.
Glacier Race
Complete Challenge 11 In Challenge Mode.
Sewer Pipe Arena
Complete Challenge 5 In Challenge Mode.
Treadwell Plaza
Complete Challenge 14 In Challenge Mode.
Turbine Sands
Complete Mission 3 In Adventure Mode.
Underworld
Complete Mission 12 In Adventure Mode.
Underworld Arena
Complete Challenge 17 In Challenge Mode.
Underworld Race
Complete Challenge 2 In Challenge Mode.
Flying
Select Jet Boosters and Hyper Mite and then go to Turbine Sands in joy ride mode. Then find the freestyle course, go off the metal ramp while jet boosting, and then use jet boosters while in the air and you will be flying.
Unlimited ammunition
Intentionally hit at least 50 Barrels while completing Challenge 18.
Unlimited health
Intentionally hit at least 179 Barrels while completing Challenge 17.
Unlimited horse power and perfect handling
Beat the first ten races with a rank of third or higher. Once finished with this task you will need to start a new game and once you have completed the first five races new game. This time come in last each time ten times and reset the Playstation and when you look in your garage you will have a Shelby gt-350 that can go 300 and hit a turn no problem at top speed
Unlimited turbo
Collect 8 Zappers while completing Challenge 4.
Upgraded laser
Successfully complete Challenge 18 under the very hard difficulty setting.
All cars...