Garfield: A Week of Garfield Upgrade is a variation or enhancement of the original NES Garfield game. The 'Upgrade' suggests improvements to graphics, gameplay, or features. Specific information about the changes or the developers responsible for the upgrade is limited, requiring further research into game databases and gaming communities dedicated to the preservation of NES games.  It remains a relatively obscure title compared to other more widely known NES releases.

Garfield - A Week of Garfield Upgrade

Ganso Saiyuuki - Super Monkey Daibouken (Japan)