Look for the light in Area 51. When it says "420" go to the light beam.
Your car will be beamed up to a bonus stage with lots of powerups and
weapons.
Boss Battle - Big Daddy:
Go to the PASSWORD screen and enter the password Square, Triangle,
Circle, Circle, R2, R2.
Boss Battle 1:
Go to the PASSWORD screen and enter the password O, R2, R1, Square, L1,
R2. Following every challenge you must reenter this code.
Boss Battle 2:
Go to the PASSWORD screen and enter the password O, O, L2, L1, Triangle,
Triangle.
Double Pickups:
For more powerups, go to the PASSWORD screen and enter the password L1,
L2, Circle, L1, R1, Square.
Duke Nukem: Time to Kill Movie:
For a special movie, go to the OPTIONS screen, choose PASSWORD then
enter the password Square, Square, Circle, Circle, Triangle, Triangle.
Extra Armor:
Go to the OPTIONS screen, select PASSWORD, then enter R1, Triangle, R1,
Triangle, L1, Square.
Funtopia Level:
To access the Funtopia level, go to the OPTIONS screen and select
PASSWORD, then enter X, O, L2, X, Square, L1.
Infinite Jump:
Go to the OPTIONS screen, select PASSWORD, then enter Circle, Square,
R2, X, Triangle, R2.
Infinite Turbos:
Go to the OPTIONS screen, select PASSWORD, then enter Square, X, O,
Triangle, R1, R2.
Play as Goliath:
Go to the OPTIONS screen, select PASSWORD, then enter Triangle, L1,
R1, X, L2, L2. Goliath is the steam roller who appears in Area 51.
Play as Nightshade:
Go to the OPTIONS screen, select PASSWORD, then enter R1 R2 L1 L1 X O.
Play as a Helicopter:
Go to the OPTIONS screen, select PASSWORD, then enter L1, Triangle,
R2, Triangle, Triangle, R1.
Play as an Alien:
Go to the OPTIONS screen, select PASSWORD, then enter R1, Square, X,
Square, L2, O.
Secret Area in Quake-A-Roni:
Once fighting in Quake-A-Roni, you may see a building that seems to be
tilting in one direction. Fire a few missiles at it and watch it blow.
Once that is over, you will notice that a building near has a hole in it.
Now drive through, it's not much, just a few weapon pickups and one
monument to blow up.
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