Gran Turismo Concept 2001 Tokyo Cheats

Unlock Ace mode:
Highlight the "Hard" selection on the difficulty selection screen. Hold L1 + R1 until it changes to "Ace".
 

Unlock every license:
After finishing the Toyota Pod Event.
 

Unlock extra credits for Gran Turismo 3 A-spec:
After finishing 50% of the races to unlock a saved game file with 1,000,000,000 credits for Gran Turismo 3 A-spec.

Bonus FMV sequences:
After finishing 100% of the races you will unlock two FMV sequences.