Game Genie
From FamiWiki
Game Genie
Accessory
Manufacturer
Price
$
Release dates
![](https://cdn.famiwiki.net/thumb/a/a4/Flag_of_the_United_States.svg/15px-Flag_of_the_United_States.svg.png)
1990
The Game Genie is an unlicensed accessory for both the Nintendo Entertainment System and the Family Computer. It allowed the use of codes that would manipulate the inserted cartridge.