Gran Turismo Concept Geneva

Japanese starting sequence:
Get Golds on all the tracks in intermediate mode in single race mode.
Dean Humphrey.

Ace mode:
Select single race mode, then press L1 + R1 at the difficulty selection screen to display the "Ace level" option.
iceman3073.

Demo mode:
Instead of allowing the game to idle until demo mode begins, press Triangle at the main menu. Each demo will play in sequence.
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Toyota Pod race:
Successfully complete course license mode with a bronze or higher rank to unlock the "Pod Race" option at the game status menu.
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Gran Turismo Concept 2001: Tokyo FMV sequence:
Complete 50% of the races to unlock the Gran Turismo Concept 2001: Tokyo FMV sequence at the game status screen.
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Ending FMV sequence:
Complete 75% of the races to unlock the ending FMV sequence at the game status screen.
iceman3073.

Extra credits for Gran Turismo 3 A-spec:
Win all races in single race mode under the normal difficulty setting to unlock an option at the game status menu to give 10,000,000 credits and a Bronze trophy for all licenses not already unlocked to a save file for Gran Turismo 3 A-spec.
iceman3073.

Alternately, successfully complete 50% of the game. If you have a Grand Turismo 3 A-spec game saved on your memory card, you will get 10,000,000 credits and new licenses for that game.
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Hint: Getting silver or gold on all course licenses:
Choose "Yes" prompted to use the pace car just before you start your course license test. It helps you get at least a silver trophy, or even gold trophy on the particular test / tracks you are doing (for example, Tokyo R246). Take over the pace car and try to cross the finish/start line before the pace car does. However, on the rally course license tests/tracks, you may not be able to see where you are going due to the dust given out by the pace car. But, it still helps you to get at least a silver trophy.
Aditya Cholisi.

Hint: Cars:

350Z GT Aero: Win the Swiss Alps 2 Circuit under the normal difficulty setting.
Audi RS 6: Win the Tokyo R246 2 Circuit under the normal difficulty setting.
Audi TT-R: Get at least a "Bronze" rank at Swiss Alps 2.
Cadillac Cien: Get at least a "Bronze" rank at Autumn Ring.
Castrol Toms Supra: Win the Midfield Raceway 2 Circuit under the normal difficulty setting.
Chrysler Crossfire: Win the Tokyo R246 2 Circuit under the professional difficulty setting.
Daihatsu Copen: Get at least a "Bronze" rank at Tahiti Maze 2.
Esso Ultraflo Supra: Get at least a "Bronze" rank at Tokyo R246 2.
Ford Focus RS: Win the Swiss Alps Circuit under the normal difficulty setting.
Ford GT40 LM: Get A "Gold" rank at the Autumn Ring 2 Circuit.
Ford GT40: Win the Tahiti Maze Circuit under the professional difficulty setting.
FX 45: Get at least a "Bronze" rank at Tahiti Maze.
Honda Integra Type-R LM: Get A "Gold" rank at the Swiss Alps Circuit.
Honda NSX-R LM Edition: Win the Tokyo R246 Circuit under the professional difficulty setting.
Honda NSX-R LM Road Version: Get A "Gold" rank at the Mid-Field Raceway Circuit.
Honda NSX-R: Win the Tokyo R246 Circuit under the normal difficulty setting.
Hyundai Clix: Win the Autumn Ring 2 Circuit under the normal difficulty setting.
Hyundai HCD 6: Get at least a "Bronze" rank at Tokyo R246.
Jaguar XKR: Get A "Gold" rank at the Tahiti Maze Circuit.
Lotus Elise Type 72: Get at least a "Bronze" rank at Swiss Alps.
Mazda 6 LM Edition: Get A "Gold" rank at the Tokyo R246 Circuit.
Mazda RX-8 LM: Get A "Gold" rank at the Swiss Alps 2 Circuit.
Mercedes-Benz AMG SL55: Win the Tahiti Maze 2 Circuit under the professional difficulty setting.
Mini Cooper S: Win the Mid-Field Raceway Circuit under the normal difficulty setting.
Mitsubishi CZ-3 Tarmac Rally Car: Win the Autumn Ring Circuit under the professional difficulty setting.
Mobil 1 NSX: Win the Tahiti Maze Circuit under the normal difficulty setting.
Nissan 350Z LM: Get A "Gold" rank at the Tokyo R246 2 Circuit.
Nissan GT R Concept: Win the Midfield Raceway 2 Circuit under the professional difficulty setting.
Nissan GTR Concept LM: Get A "Gold" rank at the Autumn Ring Circuit.
Nissan MM: Get A "Gold" rank at the Mid-Field Raceway 2 Circuit.
Nissan Skyline GT-R v-spec: Get at least a "Bronze" rank at Autumn Ring 2.
Pennzoil Zexel GTR: Get at least a "Bronze" rank at Mid-Field Raceway.
Pontiac Solstice: Win the Swiss Alps Circuit under the professional difficulty setting.
Spyker C8 Laviolette: Win the Mid-Field Raceway Circuit under the professional difficulty setting.
Suzuki GSX-R/4: Win the Swiss Alps 2 Circuit under the professional difficulty setting.
Toyota Pod: Win the Tahiti Maze 2 Circuit under the normal difficulty setting.
Toyota RSC Rallycar: Get A "Gold" rank at the Tahiti Maze 2 Circuit.
Toyota RSC: Get at least a "Bronze" rank at Mid-Field Raceway 2.
V6 IMA Mid Dualnote: Win the Autumn Ring Circuit under the normal difficulty setting.
Volkswagen W12: Win the Autumn Ring 2 Circuit under the professional difficulty setting.