Disable advanced features:
Select the "Enter Code" option from the menu. Select the "GameGuru.CFG" saved game file from the list. Submit the code IDONTWANTTHEPOWER

Additional songs:
Select the "Enter Code" option from the menu. Select the "GameGuru.CFG" saved game file from the list. Enter SONGx code, where "x" is a number from 1 through 9.

Hidden FMV sequence:
Select the "Enter Code" option from the menu. Select the "GameGuru.CFG" saved game file from the list. Submit the code IHAVETHEVIDEO2 A video about the team that created the Game Guru will be displayed.

Bonus background:
Select the "Enter Code" option from the menu. Select the "GameGuru.CFG" saved game file from the list. Submit the code MLGTXXF Reset the 3DO and the Game Guru will have a rendered 3DO logo as its background.

"Nice Try" message:
Select the "Enter Code" option from the menu. Select the "GameGuru.CFG" saved game file from the list. Submit the code IHAVETHEPOWER2