Godzilla Generations
Play as Godzilla 1st
At the monster selection screen, hold L + R and press any button. Alternatively, beat the game with the basic Godzilla.
Play as Godzilla USA
At the monster selection screen, hold L + R and press any button four times. Alternatively, beat the game with Godzilla 1st.
Play as Mech Godzilla
At the monster selection screen, hold L + R and press any button two times.
Play as Beta Godzilla
At the monster selection screen, hold L + R and press any button three times.
Play as Minilla
At the monster selection screen, hold L + R and press any button five times. Alternatively, beat the game with Godzilla USA.
Play as Dr. Serizawa
At the monster selection screen, hold L + R and press any button six times. Alternatively, beat the game with Minilla.
All VMU monsters
Enter the “VS Battle” menu and select the bottom option on that screen. Then at 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.