By tearing open a few cartridges, [Quinn] found himself with a bunch of EPROMs and NES cartridge PCBs. After grabbing the Contra ROM off the Internet, [Quinn] edited the game’s end screen to his ...

On the main menu, select Arcade Game, and then enter the following code: (Using the D-Pad) Up, up, down, down, left, right, left, right, B, A. If done correctly, the game will start up instead of ...

known as Gryzor in Europe and Oceania, is a 1987 run and gun action game developed and published ... computer formats and as Probotector on the NES, released long later.