v.15

- in map 2, fixed a missing texture and aligned some displacements;

- in map 3, removed some useless solids;

- reduced the resolution of more custom textures;

- some tweaks here and there in all the maps

v.14

- reduced the resolution of the custom textures;

- fixed a medikit in map 2 which couldn't be picked up

- added 3d skyboxes, updated nav_meshes, some tweaks here and there in all the maps

- modified the instructor hints so that now they show up on the screen to each player;

- some tweaks here and there in all the maps

- increased the Z clip plane values in all the maps ----- now there are less "ugly cuts" of the buildings, especially when you are inside the structures, but for optimization reasons I still had to keep the values lower than I wanted;

- added some props in empty areas of map 4 and 5;

- more tweaks here and there in all the maps

If no more crashes / problems are reported, I won't touch this campaign anymore. Thanks to everyone who played it and to the ones who are going to try it =)

v.11

- optimized all the maps and updated all the nav_meshes, hoping that this nav_meshes update has also fixed the crashes in map 4;

- deleted useless models in all the maps;

- rebuilt the starting area of map 2 to make it look like the actual area;

- other tweaks here and there in all the maps

- updated the nav_meshes in all the maps;

- fixed the levels not changing in map 1 and map 2;

- optimized map 2, re-pasted the safehouse of map 3 to make sure that they are the same;

- slightly changed the onslaught vscripts so that the game decides which Special Infected are spawned;