60 lives
--------
Press Triangle, X, Square, Triangle, Circle, X, Square, Circle, Square, Triangle, X, Circle
when the text "Press Start" appears on the opening screen. Note: Activating this code will disable
sound effects.

Cheat mode
----------
Enter one of the following passwords to activate the corresponding cheat function. Note: Activating
some of these codes will disable sound effects.

Compy DNA and 99 Lives
----------------------
X, X, O, Triangle, Square, X, Square, X, O, Square,Triangle, Square

Hunter
------
Square, X, Circle, Triangle, X, Circle, Square, Triangle, Square, X, Circle, X

Human prey
----------
Triangle, X, Triangle, X, Circle, X, Square, Triangle, Triangle, Square, Circle, X

Velociraptor
------------
Square, X, Circle, Triangle, X, Circle, Square, Triangle, X, Square, Circle, X

T-Rex
-----
Triangle, Square, Circle, Square, X, Triangle, Triangle, Circle, Square, Triangle, Triangle, X

Display Compy gallery
---------------------
X, Triangle, Triangle, Square, X, Circle, Triangle, Square, Triangle, Circle, X, Circle.

Display hunter gallery
----------------------
Triangle, X, Square, Triangle, Circle, X, Square, Circle, Triangle, Square, X, X

Display human prey gallery
--------------------------
Triangle, Square, Circle, Square, X, Triangle, Triangle, Circle, X, Square, Triangle, Triangle.

Display Velociraptor gallery
----------------------------
Circle, Square, Triangle, X, Circle, Triangle, Square, X, Circle, Square, X,Triangle

Display Tyrannosaurus Rex gallery
---------------------------------
Triangle, Triangle, Circle, Square, Triangle, X, Triangle, Square, Square, X, Triangle, Circle

All Codes you´ll start with 7 lives
===================================

C = Circle, X = X, T = Triangle, S=Square

C C X X T S S S C C S T Hunter

C C X X T S T S T C T X Raptor

S S T T X T T C C S X T T-Rex

T T S S C S T X S T C S Prey