Many of these devices were modeled after earlier add-ons for the NES: the Super Scope is a light gun functionally similar to the NES Zapper (though the Super Scope features wireless capabilities) and the Super Advantage is an arcade-style joystick with adjustable turbo settings akin to the NES Advantage.
NES | Nes | Punch-Out!! (NES) | NES Zapper | NES Advantage | List of Super NES enhancement chips | The Advantage | Nes, Vágur | NES Four Score | Nes, Eysturoy | Nes (Amsterdam) | Medicare Advantage | Heterozygote advantage | Henry Nes | First-mover advantage |