Sigma Star Saga
(重定向自Sigma Star)

Sigma Star Saga is a hybrid science fiction role-playing-space-shooter developed by WayForward Technologies for the Game Boy Advance. The player explores a standard 2-D overworld but is transported into space for side-scrolling shooter random battles. In this game, Ian Recker goes undercover against Earth's enemies, the Krill, in a battle to save the planet.