Contra III - The Alien Wars © 1992 Nintendo.
Coin-Op Super System version.
Nintendo Super System hardware
Main CPU : G65C816 (@ 3.58 Mhz)
Sound CPU : SPC700 (@ 1.024 Mhz)
Sound Chips : Custom (@ 1.024 Mhz)
Players : 4
Control : 8-way joystick
Buttons : 6
* All Weapons Code : At the player selection screen, press Right, Down, Downright, Right and Start. A scream will confirm the code.
* Level Select : At the player selection screen, press Left, Down, Downleft, Left and Start. A Hum will be heard if you've entered the code correctly.
Game's ROM.
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