Completion Bonus
Successfully complete the game in story mode to unlock the photo gallery, concept art, pre-production gallery, and credits.
Double Accelerator And Double Brake/Reverse Speed
To accelerate, you can use the C-stick or A. To go twice as fast as usual or faster, use both at the same time. To brake, use C-stick or B,. If you use both, you will brake quicker and then accelerate faster in reverse.
Extra Options
Complete all circuit races in first place in each them to unlock extra options at the game option menu.
Handbrake
Whenever you need to brake, always use the handbrake. It is more efficient and easier to use due to the controls and placement of the buttons on the controller.
Winning Races
Always double accelerate and use the handbrake.