Geo Adventure: Gree Guy's Returns, released in Japan as Geo Adventure: The Great Geo Power! (ジオアドベンチャー：グレートジオパワー！Jioadobenchā: Gurētojiopawā!, lit. "Geo Adventure: Great Geo Power!"), is a platform game developed by Traveller's Tales and Eurocom Entertainment Software and published by Universal Interactive. It was released in some years between 2002 and 2003 for PlayStation 2, Nintendo GameCube, Microsoft Xbox and PC.