This copy of Alter Ego was never an official release in the U.S. It is an aftermarket cartridge made by Off the Charts. It will work on any official NES system but may not work on the Retron 5.
Nintendo 64 Controller - Grey
Playstation 2 Memory Card
Nintendo NES Controller by Old Skool
AV to HDMI Converter for Retro Game Systems by Old Skool
GameCube/N64/SNES AV Cable