Pros:

I personally like starting out tier 1's.
Map 1 and 2 are challenging
Like the "point of no return" in some of the maps
Finale is huge. Lots of places to cover and lots of places to spawn.

Cons:

Not enough Dialogue

Map 2- Don't really see a point in having a lid to be open after going through the houses. 

Map 3- no panic event and the routes should be more difficult

Map 4
Panic event is a little weak. 

Map 5/finale
Second tank didn't show up and the waves(commons) was weak. 

Conclusion:

Its really good. Just needs a few adjustment to be made. The story is interesting.

Pros:

-Very nice environment
-Decent Panic event on 1 and 2
-bots followed decently
-The finale is tough which is a plus.
-Good amount on Throwables

Cons:

-3rd map, There was suppose to be a panic event but when the button was switch, not many commons showed up. 
-I saw tank died in front of me in the finale and then another tank showed up. Is there 2 tanks after panic event in the finale? 
-Seem liked the weapons in saferooms in 2 and 3 had tier one's and one tier 2.
-other than that it's a great campaign.

Conclusion:

I would like to see this in vs. Great campaign to play on. Just needs a few fixes and its good to go.