Pre Release 1(862) -> Pre Release 2(992)
1. Optimized the map:
a. Edited textures, consequences - much smaller map size, speed up loading.
b. The division of maps for location, consequences - enhanced performance.
I. All the territory of the bar.
II. The building of the station "Yanov".
III. Lab X-16.
2. Added light sources, props.
3. New door code, easier.
4. Fixes "holes" in the landscape.
5. Change the color, range fog.
6. Other small changes.

Beta 2(411) -> Pre Release 1(862)
1. Added 2 mini locations.
2. Added light sources, props.
3. Added roads.
4. Replaced ground textures for some areas.
5. Replaced some light sources.
6. New Sidorovich bunker.
7. Replaced many of the invisible textures NoDraw, small optimization.
8. Fix all leaks.
9. Fix lighting for all the bushes.
10. Fixes ladders.
11. Fixes "holes" in the landscape.
12. Change the color, range fog.
13. Other small changes.

Several fixes.

First version.