Pros:

-Pretty Accurate Recreation
-Fun Scavenge in the middle of the ride
-Happy to see you made a campaign rather then just a map
-Good use of textures
-Includes voices from the ride and music

Cons:

-Some things are 2d rather then actually models such as Indiana Jones and the Huge Snake in the ride
-Steering wheel has missing texture at first when you have to go push it and isnt very round at all...looks like someone welded a couple rods together lol
-Inside of the ride is very plain and contains little detail

Conclusion:

I feel while the campaign was very fun and accurate i also feel like you kind of took shortcuts on parts; next time i take your time and make sure you get all the details in the car and make actual 3d models for certain thing like Indiana and the snake. But in the end it is very fun; feels like you are in line and on the ride. Overall it is well worth a try.

Pros:

-Good Amount of Supplies 
-Fun puzzles which made this campaign distinct from others
-Fun use of items to open doors
-Nice maze that kept you wondering...which is the point guys
-Difficulty of puzzle built up well
-*SPOILER-ISH* Liked how u actually used an elevator at the end

Cons:

-Horde at the end was very annoying and the music that comes with the horde looped for like 12 minutes...a little repetitive
-In the Room where u had to lower the bridge there was an invisible table...
-Overall the textures were dull and very repetitive

Conclusion:

While this was a very fun campaign and the puzzle element really made it unique i felt it just did not hold up to some of the better looking and more professional looking campaigns

Pros:

+Well Built Maps
+A Great Variety of Maps that always keeps you interested
+Fun obstacles in each level that are very enjoyable and catch you off-guard
+Love the conclusion and how it explains the transition between levels; simple yet amazing

Cons:

-Maybe a bit unrealistic but i love this campaign so very much and i don't see any cons to this very amazing and creative Campaign

Conclusion:

The Haunted mansion was the first add-on map i had ever seen from L4D Gameplay. This map is what got me into L4D and lead to my eventual buying of L4D2 (at the time not knowing it wasn't for the second game in the series). I was very happy to hear and see this campaign transferred over to L4D2 and i enjoyed every minute of this amazing campaign.

Pros:

+Very Fun Map (Made something that i thought would be lame into something VERY Fun)
+The Fact that You See Mario "Passed Away" Is a Hilarious and Fun Idea
+Piranha Plants Caught me off guard and were something i wanted but was surprised to see :)
+The "?" Blocks further helps you really believe you are in a true Mario Environment
+Overall Great Design and Matched the Original Mario Very Well

Cons:

-I Feel the Conclusion was a bit empty and rather fulfilling to a rather overall very fulfilling Campaign
-Needs Music from Mario 

Conclusion:

Overall This Campaign is a LOT of fun, a lot more fun then i thought it would be. It has a good and fair difficulty level and i would even go as far as saying this is one of my favorite Fan-Made Campaigns. Been a Pleasure!