Ive written these codes down in the booklet, and have tested them myself and they all work.

Start Game with 99 lives:

T-Rex: X X Circle Square Square Square X Triangle Square Triangle Square
Compy: X X Circle Triangle Square X Square X Circle Square Triangle Square
Raptor: X X Circle Triangle Square X Square X Square Square Triangle Circle
Hunter: Square Square Triangle Circle X Square Square Square Square X Circle Triangle
Sarah: Squar Square Triangle Circle X X Square Square Triangle X Circle Triangle


Level Select: Square X Circle Triangle Triangle X Square Circle TRiangle Circle X Square X Square
Input 3 times ignore the failed code signal.

Dinosaur Gallery:

T-Rex: Circle Square Triangle Circle Square X Triangle Triangle Circle Triangle X X
Hunter: Circle Square Triangle Circle Triangle X Square Circle Triangle Square X X
Compy: Circle Square Triangle Circle Triangle X SquareTriangle SQuare X X Circle
Prey: Circle Square Triangle Circle Square X Triangle Circle Triangle Triangle X X

Free movement: Start playing the game on the Human Prey or Hunter levels. Hold L1 + Up, then press X + Square. Your character may now move freely through out the level and have a rapid fire weapon. Your character will also be invincible while shooting the weapon.