Mini 4WD Bros Eternal Wings Codes -

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).

Secret shop:
Complete level six in story mode, move the pointer to the upper right corner, and select that location.