Bakusou Kyoudai Rettsu and Go! Eternal Wings Cheats - PlayStation

In-game reset
Press [Select] + [Start] + [R1] + [R2] + [L1] + [L2] during game play.

Hidden shop
Successfully complete level 6 in story mode, then select the top right corner of the screen.

If you finish stage 7, go up to the mountains. When you get stuck, press [Circle]. You will be in a new shop. Its a normal shop, but when you go to the gear ratio section you will see something worth 30,000. Its is an object that makes your car go top speed.

Alternate cars
Select Retsuya, Retsu, Go, Ryo, J, Tokuichi, Rion, Mikhail, Huan, Juliana, or Nieminen, then press [L1] or [R1] at the car selection screen.

Phantom-Blade car
Successfully complete story mode with Knuckle Breaker. Then, defeat the Phantom-Blade car in the next challenge to make that vehicle selectable.

Vise Intruder car
Successfully complete story mode with Max Breaker. Then, defeat the Vise Intruder car in the next challenge to make that vehicle selectable.

Ray Stinger car
Successfully complete story mode with Fire Stinger and wait until the ending sequence completes. Restart the game and select the option under "Continue" to start a Ray Stinger versus Fire Stinger challenge. Defeat the Ray Stinger to make that vehicle selectable.

Secret mode two option
Successfully complete story mode with Berkaiser (Eisen Wolf). A secret mode two selection will appear under the continue option. Sucessfully complete this new option to unlock the last two Berkaisers (Eisen Wolves).

Final stage
The Boss' car is a exact duplicate of your own -- know your car wisely.