BradyGames has released GameShark Ultimate Codes 2005, which provides codes for the Game Boy Advance and Nintendo GameCube. GameShark Ultimate Codes 2005 is described as a "comprehensive collection of exclusive codes for the most popular games released and gives players access to hidden characters, weapons and vehicles, level passwords, infinite health, power-ups, and much more." It's on sale for a suggested retail price of $9.99.