Debug mode:
Hold L + X + Y + Z + B at the options screen. Release all buttons, then hold L + Y + B buttons. Return to the main menu to enable drag mode (free movement) and/or display mode (view debug messages).
Free movement:
Hold L + X + Y + Z + B at the options screen. Return to the main menu. The message "DEBUG DRAG" will appear in the lower left corner of the screen to confirm correct code entry. Begin game play, then hold L and press the D-pad to move anywhere in the current level.

View debug messages:
Hold L + X + Y + Z + B at the options screen. Return to the main menu. The message "DEBUG DIS" will appear in the lower left corner of the screen to confirm correct code entry.

Easy mode:
Enter the password XXXXXXXXXXXX as a password. Blood will be disabled and opponents will be easier to kill.

Level select:
Enter XAXYYYYYZXYY as a password.

View Velociraptor gallery:
Enter XZXYXYYYZXYY as a password.

View Compy gallery:
Enter AYXYXXZXZZYY as a password.

View T. Rex gallery:
Enter YXXYXYYYAYXY as a password.

View any dinosaur gallery:
Enter XZXYXYYYZXYY as a password.

View human prey gallery:
Enter YZXYZAXYAAXY as a password.

View hunter gallery:
Enter AXXYAYXYYYXY as a password.

Level passwords:
Enter the following passwords to begin game play at the corresponding level.

Level	Password
Human hunter	YYXYZYYYXZXY
Velociraptor	ZXYYYZXYXYXY
Tyrannosaurus Rex	AYYYXYXYYZYY
Human prey	YYXYZYYYZXYY

Hidden audio:
Enter the game options and turn the music off and set the sound effects volume to the maximum. Begin game play as the Velociraptor or Tyrannosaurus Rex and begin killing humans. At times, certain victims will say "fuck off" in a faint, but distinct voice.