Super 8 (video game accessory)

The Super 8, also sold under the title Tri-star or Tristar, is an unlicensed video game peripheral released in 1995 for the Super Nintendo Entertainment System designed to allow the system to run games developed for the Nintendo Entertainment System. The Super 8 utilized an NES-on-a-chip integrated circuit to duplicate the functionality of the original NES hardware, and connected to the SNES's own cartridge slot.

Source: Wikipedia — Super 8 (video game accessory) (CC BY-SA 4.0)