Put all files in to map folder left4dead directory.use console for map start.type console 

"map l4d_sv_arctic" and enter.  

this is my first map and not a finished version. have a problem with nav editing for now ... anyway in 

the arctic some kind a unknown virus appear and all research team is gone like the movie thing or 
x-files serie...




------strangermoon--------- 
"one is all, all is one"  