Gameplay improvements.

-Fixed a bug that caused tutorials to not display correctly in Portuguese.
- Fixed a bug with the sound of footsteps in some scenarios.
-Removed the option to turn quickly with a joystick, as this only created confusion and moments of frustration when aiming.
-Reduced the speed of the default camera.
-Adjusted the life of an enemy, as this was a recurring complaint due to the large number of hits it took to die.