gold's gym: cardio workout is an exercise video game for nintendo's wii video game console, created by japanese video game developer rocket company. based on the "shape boxing" fitness regimen used at kyoei boxing gym which includes shadowboxing, press-ups, and sit-ups, the game also features a diet management feature. originally announced in mid-2007 as "wii exercise" with a release target of later that year, in may 2008, the game was stated to still be in an early stage of development. though not originally intended to feature support for the wii balance board, the feature was announced later. "shape boxing" was released in japan on october 30, 2008 under the title "shape boxing: wii de enjoy! diet" (シェイプボクシング wiiでエンジョイダイエット！). the game was licensed by ubisoft for other regional markets, and released as in europe as part of the publisher's "my coach" series as my fitness coach: cardio workout, and released in north america and australia as "gold's gym: cardio workout", in partnership with the gold's gym fitness center chain.