Yes, you may be thinking that this is easy crap etc... but no! it is not
It has lots of very hard npcs.
Download: http://www.sharebigfile.com/file/176934 ... n-zip.html
Change Log:
Removed Dr.Tom Freeman, had no point.
Changed Big momma into a garg.
added more combines.
moved train further along line with door in the way.
Added Passage way with Sin Dox Combine in.
Added Combine Elite at end of level.
Notes: after you have killed all the Sin Dox Combines you will find a ramp back up to the train lines, it may look like you cant go through but you can, I dont know what is making it do that, on Hammer it shows as a hole.
The Sin Dox: They are the combine secret service.
Pictures: