Amy Rose
also primarily appears in "Sonic Adventure". He is a red, bulky robot with a powerful gun built into his arm. Gamma turns against his master after a heartfelt conversation with Amy Rose, who becomes his friend. He offers shoot-'em-up gameplay to a largely platforming-focused game. Gamma later appears as a playable character in "Sonic Battle". He has garnered mixed comments from critics. While "Xbox World" generally commended his story, others criticized the slow and repetitive nature of his gameplay.