Enter one of the following high score names to enable the corresponding cheat function. Note: The codes will remain active until the cartridge memory is cleared.
Enter NOLAN as a high score name. The word "Perfect" will be spoken to confirm correct code entry. A "Plazma Pong" option can now be selected as a game option.
Enter OVINE as a high score name. The sound of a sheep will confirm correct code entry. Press any button to select a "Defender Plus" game, then press A to start.
Enter BEEST as a high score name. The sound of a sheep will confirm correct code entry. Begin a Defender 2000 game and press 3 during game play to jump to the next level. Press 6 during game play to access the warp screen.
Retrieve a falling human as a wave ends.