Pros:

+ Fun
+ Old memories
+ Lengthy
+ Textures were good
+ Cutscenes
+ Easter eggs
+ Fun finale
+ Great Atmosphere 

Cons:

- Bots would occasionally get stuck
- Few bugs and glitches here and there
- Too many hordes

Conclusion:

Overall, great campaign. Had to take some points away because of the cons.

Pros:

+ Original
+ Fun finale
+ Enjoyable with friends
+ Excellent detail
+ Wonderful environment
+ Nice idea's which I have never seen before in left 4 dead
+ Dark
+ Witch room is bloody scaring as hell!
+ Loved the armored car, very original idea
+ It's just plain awesome

Cons:

- Too many hordes
- Lagged at some points
- Glitches here and there

Conclusion:

This campaign is very fun and original, and you have to get this right now. You won't regret it...

Pros:

+ Original Campaign
+ First and second chapters looked amazing
+ Excellent atmosphere
+ Molotov's and Pipe bombs placed well throughout the map
+ Survivors talk to each other
+ Creative crescendo events
+ Fun
+ Perfect ending
+ Challenging
+ Did I mention fun?

Cons:

- Lack of first aid kits in 3rd and finale chapters
- Bots get stuck in the first crescendo event on chapter 3
- Non stop horde in chapter 3 for the alternate crescendo
- 2 first aids in the final chapter
- Tanks usually were always in the same area for chapter 3

Conclusion:

This is by far one of the best maps I have ever come across in left 4 dead. It is very challenging and original. A few glitches here and there, but you should really fix the glitch occurring at the first crescendo event in chapter 3. But other then that, you HAVE TO get this map!

Pros:

Very lengthy
Decent Designs
Excellent chapters
Fun finale
No lag at all

Cons:

Minor glitches in the 3rd chapter every now and then

Conclusion:

Overall, this is an excellent campaign and think everyone should give this one a try. The chapters were incredibly good and fun to play, loved the designs and textures. Every chapter was something different from the last with no problems while playing. Perfect lengths for each chapter and had a very fun finale. You added Fantastic effort into your crescendo events. 

So for this campaign, I am giving it 80/100.