If you prefer not to use external hardware modifications, you can use these built-in game mechanics to speed up your progress: Data Inheritance
Finding "cheat codes" for Cardfight!! Vanguard G: Stride to Victory (Nintendo 3DS) is tricky because the game does not have a built-in "Cheat" menu or secret button combinations. cardfight vanguard stride to victory cheat codes verified
Not a code, but an oversight: The game allows you to run in your G-Zone despite real-life rules limiting 4. If you prefer not to use external hardware