The following are known Action Replay Codes for Atari Anniversary Advance on Nintendo Game Boy Advance (GBA).
These codes were also known as GameShark Codes and in most cases will work on both devices.
These codes are for the U.S. version of the game.
Master Code – Must Be On
b70e4ff0...
The following are known Action Replay Codes for 3-in-1 Centipede / Breakout / Warlords on Nintendo Game Boy Advance (GBA).
These codes were also known as GameShark Codes and in most cases will work on both devices.
These codes are for the U.S. version of the game.
Master Code – Must Be On...
Hidden message
Load the cartridge's ROM image into a hex editor and view the end of the code to find the following message:
IF YOU ARE READING THIS, AND YOU WORK AT COLECO,
THEN PLEASE TELL GEORGE KISS I SAID HELLO. THANKS.
SINCERELY...
Cheat mode
While playing a game, hold L + R + A + B + X + Y and rotate the Analog-stick. If you entered the code correctly, the message "Get a life" (for extra lives) or "All levels" (for level select) will appear.