Level Skip
Pause the game and press A, B, Select, Right, Left, Left, Right, Select, B, A, B, B, A. Can only be used once per game.
Power-Up Sub
Pause the game and press A, B, Select, A, B, Select, A, B, Select, A, B, Select, A, B, Select, A, B, Select.
The Genie has more
The Hunt for Red October Cheats at CheatingDome.com.