Pikachu Y2K ROM Download for Nintendo (NES) on Emulator Games. Play Pikachu Y2K game that is available in the United States of America (USA) version only on this website. Pikachu Y2K 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 Pikachu Bros (Mario Bros Hack), Retrocoders Demo For Y2Kode (PD) and Pikachu as shown below. Pikachu Y2K works on all your devices in high quality.