Bangai-O

Bangai-O is a 2D side-scrolling multidirectional shooter. The player controls a weaponized mech that is piloted by the two main characters, Riki and his sister Mami. The story follows Riki and Mami in their efforts to stop criminals from smuggling fruit contraband to finance their evil deeds. The player can fly freely around each of the game's 44 stages, and must find and destroy the boss in each stage to advance. (wikipedia.org)