Game Genie Decoder (PD) ROM Download for Nintendo (NES) on Emulator Games. Play Game Genie Decoder (PD) game that is available in the United States of America (USA) version only on this website. Game Genie Decoder (PD) is a Nintendo emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Tecmo Cup - Soccer Game, Game Genie (Unl) and Game Genie (PD) as shown below. Game Genie Decoder (PD) works on all your devices in high quality.