Successfully complete Alltynex Second on the Normal difficulty. Start a second playthrough, choose the difficulty, and the choice between the standard and advanced Armed Saboteur will appear.Mass-Production Model Kamui
Successfully complete Kamui on each difficulty. Then, press Right at the title screen.Zodiac Ophiuchus ship
Successfully complete RefleX's Story mode to unlock the Zodiac Ophiuchus ship in Area Select mode.