If you fail a mission more than three or four
times, a new Easy Mode will be unlocked for you.
Clear the game to unlock a standard Koei option
that allows you to play a new game but with all
the money from your last game.
When you get to the research center on Crimson (the big red place with a lot
of "Mutons"). Buy a lot of parts for your weapon and finish the level with them.
The next time you return to quest mode you should get the weapon parts you bought
in the last mission. You can sell those and get new ones. You can still keep the
old weapons if you finished the level with them. The same works for your Neo-
Defeating The Final Boss
Have at least two Medixir items, the Leviathan 3, and Vulcan 3 barrels. Use L so
you can sway from left to right, keeping the monster in your screen. Take the
Boss' HP all the way down until he has only a little remaining. Use the Leviathan
3 to do this, then use the Vulcan 3 for the finishing touch. You will probably
have to use at least one Medixir before this point. Make sure you do not use the
other. Wait until you die to use it. Do not use any Neo-Psionics to fight him;
only use Cure 2 and 3 on yourself.
Defeating The First Boss
Use your tracking system (press R). Keep shooting until he goes to somewhere
else. Shuffle until you track him again and repeat this process until it he is
Repeatedly fail a mission to unlock the G-Squad mode option, which allows the
game to be played on an easier difficulty setting.
Successfully complete the game to unlock the EX mode option. This option allows
you to play the game again with the money available at the end of your last game,
and unlocks new items.