Unlock Hard AI:
In modes Vs. Computer and Flash, after you have selected your character
you will have to select your opponent. While your desired opposing
character is highlight you can press and hold the L button and then press
the A button. You'll notice that one more star is added to your opponents
handicap. The words "Com Lv Hard" will appear in the upper right-hand
corner of your screen.
Unlock S-Hard AI:
In modes Vs. Computer and Flash, after you have selected your character
you will have to select your opponent. While your desired opposing
character is highlight you can press and hold the L button and then press
the B button. You'll notice that two more stars are added to your
opponents handicap. Also in the upper right-hand corner of the screen it'll
say "Com LV S-Hard".
Increase Your Virus Population:
In Marathon Mode sometimes you may need to increase you Virus
Population on your screen. You can do this by pressing either the L or
the
R buttons during the game. This will allow you to continue scoring Virus
point while still maintaining a somewhat clean screen.
