Downforce - Platform: Gameboy Advance Singapore track: ---------------- Enter 26241 as a code. Sydney track: ------------- Enter 83424 as a code. Jojo car: --------- Enter 06254 as a code. Kera car: --------- Enter 16175 as a code. Skye car: --------- Enter 12711 as a code. Vinnie car: ----------- Enter 17993 as a code. Intermediate difficulty: ------------------------ Enter 41966 as a code. Expert difficulty: ------------------ Enter 74883 as a code.