Even Nintendo themselves abandoned the Controller Pak after using it in only two games, with a third game that supported it coming out as the very last first-party game for the system (and it was only released in Japan). While initially popular with third-party developers to eliminate the need for built-in cartridge-saving as a cost-cutting measure, the need for the Controller Pak died over time as more and more developers decided the convivence of cartridge-saving was worth it. However, it had a paltry 32KB of space and some games could take up the entire thing with their save files. The Controller Pak was the system's memory card, originally intended to allow players to exchange game data over multiple cartridges.Only sixteen games took advantage of such a feature, ten of which never left Japan. The Transfer Pak, whose selling point was letting people transfer data between specific Game Boy games and N64 games.Very few games were made for the gun and it quickly died out. Unlike the Zapper, the Super Scope was wireless and required six AA batteries to operate. The Super Scope was a light gun for the Super Nintendo Entertainment System similar to the NES Zapper.The Power Glove was only designed for two games, and while it could be used with other games via programming the glove, it hardly ever worked and Nintendo never gave it official support due to the glove not being made by them.
(Its real purpose was to serve as a marketing gimmick to get stores interested in selling another video game console after The Great Video Game Crash of 1983.) The Power Glove is another big example, where the glove acted as a controller based on your arm movement. is a famous example for being a miniature robot that acted like a glorified controller, worked with only two games, and was quietly discontinued by Nintendo. The Nintendo Entertainment System had tons of accessories (many which were from third parties) that either didn't gain enough traction in popularity or simply didn't work well.