Prince of Persia: The Two Thrones

To beat the giant you must find a way to get to the top, there would be a wooden type area nearby and it would have a plate above in which you can put in, after that wall run towards right, there would be another platform and another metallic plate in which uou can put dagger then make your way to upper most platform and go to the single plank walk on it and do speed kill after that you have to find another way to top to stab his another eye, after thatyou must take out his both legs by dagger then do speed kill when he is on his knees.