Global Gladiators
Quickly press [C, B, A, Start] four times at the Sega logo to display the cheat menu. The message ""Hi David! Access granted" will appear to confirm correct code entry.
Level skip
Pause game play and press B, C, B, A, B(2), C, B, A, B. The word "cheater" will be spoken to confirm correct code entry.
Extra lives
Pause game play and press A(3), B(3), C(4), B, A. The word "cheater" will be spoken to confirm correct code entry.