Full energy:
Press Start to pause game play. Then, hold Down + A + B + Start.

Expert mode:
Press Start to pause game play. Then, hold Up + A + B + Start.

Exit level:
Press Start to pause game play. Then, press A(3) to return to the channel selection screen. To change weapons, select ''S'' to enter the shop.

Six lives:
Hold Down + A + B and press Start(2).

Status	Password
Channel 5	67GDZ[Music Note]JGK[Triangle]
Unknown	57YRmchs0P
Final level	M^PH^RDM^P

Note: "^" indicates the symbol that resembles a "T" located on the top row of the password screen.