The Game Genie cheat cartridge series was so named for its ability to change aspects of games at will.

Game Genie isn't the only cartridge-based cheat system.

The cartridge was intended as a pass-through device (similar to the later Game Genie).

Galoob's Game Genie - an early cheat cartridge, one of the first.

A court order has blocked sales of Game Genie.

That's where devices like Game Genie come into play.

In other words, the Game Genie acts like a hack.

The Game Genie was usually sold with a small booklet of discovered codes for use with the system.

Some games do not work with the Game Genie; for said games see legal issues.

Galoob won the lawsuit and continued to produce the Game Genie.