Advance GTA Cheats
GBA | Submitted by Jonel BelarminoGet Extra Mode 1 and 2
Press and hold and the title screen L,R and right and press B simultaneously for Extra Mode 1,for Extra Mode 2 press and hold at the title screen L,R and right and press a simultaneously.
Advance GTA Unlockables
GBA | Submitted by GamesRadarGet Mini Cars
Use championship mode to win the beginner, middle and high speed classes and you will unlock a EXTRA option on the main menu that allows mini cars