Godzilla Generations Play as original Godzilla: Hold L + R and press any button at the monster selection screen. Alternatively, successfully complete the game once. Play as Mecha Godzilla: Hold L + R and press any two buttons simultaneously at the monster selection screen. Play as Beta Godzilla: Hold L + R and press any three buttons simultaneously at the monster selection screen. Play as American Godzilla: Hold L + R and press any button four times at the monster selection screen. Alternatively, successfully complete the game as the original Godzilla. Play as Minilla: Successfully complete the game as American Godzilla. Play as Dr. Serizawa: Successfully complete the game as Minilla. All VMU monsters: Enter the "VS Battle" menu and select the bottom option on that screen. On the next screen, hold X + Y and press Down + L + R to unlock up to forty-four monsters. Note: Only less than ten monsters will appear in the VMU. Movie trailers: To unlock the rest of the movie trailers, successfully complete the game once. Hint: Regain energy: Press Y when in a safe location as Mecha Godzilla to regain a small amount of energy.