D.N.A: Dark Native Apostle Cheats and Tips

At the title screen, press and hold L1 + R1, next with those buttons still held down, enter Circle, Circle, Square, Square, L2, Circle, L2, Square, Select.

Now let go of L1, push Circle, then release R1.

Cheat mode:

Hold L1 + R1 at the title screen. While holding them, press Circle(2), Square(2), L2, Circle, L2, Square, Select. Release L1, press Circle, then release R1. Start the game and you will have all weapons with unlimited ammunition.