Here are some cheats and tips for the game Aggressor.
All power-ups and extra lives:
Enter “CLASSIFIED” as a name on the high score screen. The name
entry will change to “WRONG�” to confirm correct code entry.
Begin a new game to start with all power-ups and 15 lives.
Extra weapons:
Enter “Terminator” (original version) or “BlooDSporT” (Macho edition)
as case-sensitive names on the high score screen.