Use O.S.L. And Plasma Beam
First unlock the mission simulator. When playing
the mission simulator, select your mission and
difficulty, then select your aircraft. At the
weapon select screen, select your gun type
weapon. Then hold start and X for the Plasma
Beam, or start and triangle for the O.S.L. This
may take some time to get used to. DONT FORGET,
Unlock all five endings with a pilot by completing all fifty-two missions and save the game. Then, return to the title screen and load the completed game save file. The "New File" option will change to an "S-File" option. Choose that option for a mission simulator that allows any mission to be played with any airplane and difficulty setting.
Get a rank of "B" or better in all thirty five regular simulator missions to unlock a bonus mission.
U14054 Aurora Plane
Get a rank of "A" in all thirty six simulator missions on the normal or hard difficulty settings.
Orbital Satellite Laser And X-49 Night Raven Plane
Get a rank of "A" in all thirty six simulator missions on the hard difficulty setting. Note: The laser may not be used in all missions.
XR-900 Geopelia Plane
Get a rank of "A" in simulator mission thirty six in the mission simulator.
Successfully complete the game on the easy difficulty setting.
Japanese FMV Sequence
Successfully complete the game on the hard difficulty setting to view the original Japanese introduction sequence.