Pros:

-awesome design
-costom skins
-awesome graphics
-sniper :DD
-mines

Cons:

-no story (or is it bills nightmare?"
-too short 

Conclusion:

a very very cool map, but to short. it's not like a normal campaign (because of the sniper, mines and the design), but I love it. 
you have to do the next part :D

Pros:

-snow
-nice campaign poster
-cool final
-breakable walls
-first crescendo event could be avoided

Cons:

-to many health kits
-no tanks at the end
-to easy on normal
-terrible intro
-end was to easy

Conclusion:

a really nice looking campaign, but to easy and to many supplies. but it was fun

Pros:

-much better music than L4D2 music
-final fantasy msuic
- tank theme is epic
- credits music is epic
-menu music is epic
-everything is epic :D

Cons:

-nothing

Conclusion:

very very good job, I can recommend it to everyone, also to no-final-fantasy-fans

sorry for bad english, I'm german

Pros:

-nice old final fantasy music
-fits very good into L4D2

Cons:

-a bit too....nintendo...don't know how to say this :D

Conclusion:

 good work, i can recommend it to everyone, also to no-final-fantasy-fans

sorry for bad english, i'm german

Pros:

-fish
-fish sounds

Cons:

-replaces the pan D:

Conclusion:

very cool weapon, its fun to kill zombies with it, but I love the pan too...
how about a fish, that replaces the cricket thing? (sorry I'm german)

Pros:

-Great Level Design 
-There is a Boss from "The Legend of Zelda: Minish Cap" :D
-Very fun and replayable, like zeracon said
-Great boss fights

Cons:

It's a bit hard to find out, how to kill these bosses. (I had only problems with the first boss)
-Bots are stupid as hell

Conclusion:

I Don't like science fiction, but this, wormwood, space jockeys, and mob stadium 2012, are very nice. I love it, and I can recommend it to everyone.

Sorry for bad English, I'm from Germany 

Pros:

-snow
-very nice level design
-the "paradise" at the end, with the hidden rooms (wtf...)
-the rocket start
-the survivors talked much, one time I was in a bathroom, Coach said "Man, as a child I loved this place" xDDD.

Cons:

- it was very hard, I had to try it 5 times
- a bit to many corpses
- some bugs (I walked through cars O.o)

Conclusion:

It's the best campaign I ever played. And, like AmpliDUDE said, I can recommed it to everyone! The bugs are not to bad :D

sorry for bad english, I'm from Germany