This phrase references a specific type of cheat code used in conjunction with a particular peripheral device designed for the Nintendo Entertainment System (NES). The device allowed users to modify game data, altering elements such as character attributes, level progression, or item availability. For instance, inputting a specific sequence could grant a player invincibility or an unlimited supply of resources.
The significance of these codes lies in their ability to customize gameplay experiences, offering both advantages and novel ways to interact with familiar titles. They provided accessibility options for players struggling with difficulty and fostered creative experimentation with game mechanics. In the historical context, the device and its accompanying codes fueled discussions about fair play, game balance, and the evolving relationship between developers and consumers.