9,999 Flash Bombs
     Enter  Square,  Circle,  Square(2), Triangle, X, Triangle(2) as a
password.

All FMV Sequences
     Enter  Triangle,  X,  Square, Circle(2), X, Triangle, Square as a
password.

Alternate Appearance
     Successfully  complete  survival  mode to unlock a appearance for
the character that was used. Press Triangle at the character selection
to change appearance.

Alternate Colors
     Highlight   a  dinosaur,  then  press  Circle  at  the  character
selection screen.

Bonus Characters
     Successfully  complete  arcade  mode  using  each dinosaur. Every
other  completion  will unlock a bonus character. A total of six bonus
characters can be unlocked.

Bonus FMV Sequence
     Successfully  complete  the  game with all fourteen characters to
view a FMV sequence featuring dinosaurs.

Exhibition Mode
     Successfully  complete the game with eight regular and five bonus
characters to unlock exhibition mode.

Invincibility and Unlimited Weapons
     Enter Circle(3), Space, X, Triangle, X(2) as a password.

Invulnerability
     Successfully  complete  survival mode without using any continues
to unlock the "Invulnerability" option.

Single and Survivor Modes
     Successfully  complete  arcade  mode  under  the  easy difficulty
setting with any character.

Unlimited Weapons
     Enter  Triangle(2), Circle, Triangle, Square, Triangle, Triangle,
X as a password.