Various cheats
     Hold [F10] while entering one of the following cheat codes. Then,
hold [F10] and press [F5] to activate the corresponding cheat function
as  many  times as needed. To enter another code, hold [F10] and press
[F6]  to disable the current code. Then, hold [F10] and enter the next
code.

Code                                        Result
[F2] [F1] [F4] [F3] [F3] [F4] [F1] [F2]     Turn Blue Player to Black
[F2] [F1] [F4] [F3]                         Restore Shield
[F2] [F4] [F1] [F3] [F1] [F3] [F4] [F2]     Reload Weapon 0
[F4] [F3] [F1] [F2] [F4] [F3] [F1] [F2]     Reload Weapon 1
[F2] [F1] [F2] [F4] [F2] [F1] [F3]          Reload Weapon 2

Passcodes:

Level 2 - TAFRGYBlRR
Level 3 - CRGRGYBLRY
Level 4 - FUMRGYBLRL
Level 5 - SIFUGOBLLR
Level 6 - TAGUGOBLLY
Level 7 - CRMUGOBLLL
Level 8 - FEMUGOBYSL