Metroid. NES. FCEUX. Trainer

Ctrl+num0: Invulnerability;

Ctrl+num1: Freeze rockets;

Ctrl+num2: 100 rockets;

Ctrl+num3: Fly;

Cheats (FCEUX: Tools->Cheats):

SXSGNVSE: Minimum energy of 30;

ZENSXLIE: Gain 10 rockets on pick-up;