Here are some cheats and tips for the game Vanguard Ace.
Enable cheat mode:
Press [F10] during game play.
Power level 1 through level 7:
Press [F1] through [F7] for the corresponding power level.
Increase life:
Press [F8] during game play.
Increase special bomb:
Press [F9] during game play.
Disable cheat mode:
Press [F11] during game play.