Successfully complete the game and load the same file and play again. The new game will have more dinosaurs and alternate DNA particle locations.
Fast DNA rotation
This trick is useful when at the DNA sequence once you get the Base DNA. If you are waiting for a hole in the DNA to slowly appear, rapidly press B until it is in shooting range.
Jump when the brachiosaurs' foot lands to be catapulted higher than usual.
Submitted by andy
In the beginning of the game you can choose between a knife or a pistol. Take the knife because the pistol only have 6 bulls ammo.
Submitted by Kevin