Lewis Galoob Toys, Inc., the American manufacturer of the Game Genie series of cheat devices, published a newsletter (also called Game Genie Update) that contained new cheat codes for games for a variety of consoles. The newsletter, which was produced as a supplement to the codebooks distributed with Game Genie products, was sent directly to Game Genie owners who subscribed via advertisements included with their devices.

This is a partial collection of Game Genie Code Update for NES, Super NES, and Sega Genesis. The total length of each edition of Code Update is unknown, although the Sega Genesis and Super NES editions appear to have run for three volumes.

This collection does not include the Canadian edition of Game Genie Code Update, which was published before Galoob distributed the Game Genie in the United States.

This is a partial collection of Game Genie Code Update for NES, Super NES, and Sega Genesis. The total length of each edition of Code Update is unknown, although the Sega Genesis and Super NES editions appear to have run for three volumes.

This collection does not include the Canadian edition of Game Genie Code Update, which was published before Galoob distributed the Game Genie in the United States.

This is a partial collection of Game Genie Code Update for NES, Super NES, and Sega Genesis. The total length of each edition of Code Update is unknown, although the Sega Genesis and Super NES editions appear to have run for three volumes.

This collection does not include the Canadian edition of Game Genie Code Update, which was published before Galoob distributed the Game Genie in the United States.

This is a partial collection of Game Genie Code Update for NES, Super NES, and Sega Genesis. The total length of each edition of Code Update is unknown, although the Sega Genesis and Super NES editions appear to have run for three volumes.

This collection does not include the Canadian edition of Game Genie Code Update, which was published before Galoob distributed the Game Genie in the United States.

This is a partial collection of Game Genie Code Update for NES, Super NES, and Sega Genesis. The total length of each edition of Code Update is unknown, although the Sega Genesis and Super NES editions appear to have run for three volumes.

This collection does not include the Canadian edition of Game Genie Code Update, which was published before Galoob distributed the Game Genie in the United States.

This is a partial collection of Game Genie Code Update for NES, Super NES, and Sega Genesis. The total length of each edition of Code Update is unknown, although the Sega Genesis and Super NES editions appear to have run for three volumes.

This collection does not include the Canadian edition of Game Genie Code Update, which was published before Galoob distributed the Game Genie in the United States.

This is a partial collection of Game Genie Code Update for NES, Super NES, and Sega Genesis. The total length of each edition of Code Update is unknown, although the Sega Genesis and Super NES editions appear to have run for three volumes.

This collection does not include the Canadian edition of Game Genie Code Update, which was published before Galoob distributed the Game Genie in the United States.

This is a partial collection of Game Genie Code Update for NES, Super NES, and Sega Genesis. The total length of each edition of Code Update is unknown, although the Sega Genesis and Super NES editions appear to have run for three volumes.

This collection does not include the Canadian edition of Game Genie Code Update, which was published before Galoob distributed the Game Genie in the United States.

This is a partial collection of Game Genie Code Update for NES, Super NES, and Sega Genesis. The total length of each edition of Code Update is unknown, although the Sega Genesis and Super NES editions appear to have run for three volumes.

This collection does not include the Canadian edition of Game Genie Code Update, which was published before Galoob distributed the Game Genie in the United States.