List of changes:
1 Localization into Russian.
2 Increase the brightness in locations.
3 Pause from the P button moved to Esc.
4 Added mouse wheel to weapon swap.
5 The weapon is a little closer to the center.
6 Increased recoil when shooting.
7 Walk a little slower. The run is the same.
8 Enemies at the start of the game deal less damage.
9 Added mouse sensitivity.
10 Improved optimization.
11 Updated soundtrack.
12 Improved design of levels.