How to open your entire career ? (Killzone 2)

Hi all. The fact that I is not a fool.And the game is just not passable without a controller with gyroscope. And it is fine,but DualShock 4 there is normally does not work.So another 1 of the locations I'm stuck and can't go any further in the story.On this question, is there any affects all,or of such odd, to go through the game without gyro