Pros:

-Good mapping
-fire/smoke
-well executed Christmas theme

Cons:

-Crashed for me once
-Lagg on my rig which really never laggs in l4d2
-Wide-open and easy

Conclusion:

looks good but isnt anything special to play on

Pros:

- scripting with witch
- 2nd map layout is really good, how it loops and have you circling through different paths in one area is really cool.
- sewer part where all zombies fall down and have to run at you crouched was a cool idea

Cons:

- Hard to find way around, i got lost a bit
- took a while to learn how to start finale

Conclusion:

Needs to lay out the path for you better but besides that its a really nice 3 map campaign.

Pros:

- Tons of custom things
- Tons of events and activities along with sideline events
- Based on a good movie
- They actually revised the broken version (even though it took a year)
- Some nice scenes and locations that follow the movie very well and are really cool to play in.

Cons:

- Doesn't reflect the movie events enough, including events that just didn't take place and focusing too much on things likes trip to the mall than any really core game-play inside it. 
- Finally is pure fiction as far as I remember it and doesn't really make sense. 

Conclusion:

I simply had trouble following along with the story and I think the way it has been revised since the first version has brought it far from the actual movie. I would have loved to see an escape in the armored buses where they have some kind of health bar or a attempted rescue of the gun shop owner next to the mall. These are just some of the major elements of the movie I fell were left out. I still love how much time you guys spent on it and the amount of custom content and creativity I just don't feel it lives up to the movie.

Pros:

- Into/starting area
- Village layout
- Lighthouse
- Moving Pieces

Cons:

- Parts cut from previous valve game
- Town lighting is really dim 
- plains have bad lights effects which leads to one side of the floor really bring and the other normal when you fire.

Conclusion:

Meh

Pros:

-Right up there with IHM
-great atmosphere
-well detailed
-nice filters in area
-really well done flow
-custom content 

Cons:

-didnt understand the extraction at all. 
-got lost for a min, twice in campaign but nothing to worry about

Conclusion:

Great campaign, one of those that rival valves.

Pros:

-First level is really fun/hard.
-Janitor lift is pretty cool
-zombies come from everywhere
-Rain impact particles

Cons:

-End gets boring
-after first few levels nothing stand out.

Conclusion:

Decent campaign.

Pros:

-Skybox is amazing
-smog is pretty realistic
-realistic in general
-broken elevator going to lower floor is a neat effect
-Loading screen made me lol
-intro fly-in is pretty cool

Cons:

-not for l4d2....

Conclusion:

It was pretty good and worked well for gameplay as well.

Pros:

-Very open environment
-Long levels and designs with game play in mind
-one of few cave levels
-lots of events and actions
-tons of actions that you can see take place, ex. rocks falling and taking out path. 
-THERES A WORKING SPACE SHUTTLE IN IT
-Amazing concept
-part where you have to break 2x4s to enter saferoom.

Cons:

-Nav work is somewhat poor
-Between level 2 and 3 the "mark change level" or what ever it is isn't placed right and one character spawns outside of map.
-texture work is kind of basic in first 4 levels
-Finale is really hard

Conclusion:

Absolutely loved the entire campaign as did everyone I played with. I have never even thought of a space station map, and you executed it perfectly. 

PS!!!! There is a ledge outside the room where you enter the launch codes that if you stand on all the tanks run off the cliff along with zombies, fix that please but make the finale easier as well.

Pros:

-Almost exact recreation of parts from half life 2
-Updated the parts from half life 2 with the improved smoker, rain, fire, and breakable floor elements included in l4d2.
-works really well with the l4d gametype
-bug found in my play through
-run through took 20+ minutes.

Cons:

-Final horde while you wait for the train is kind of easy

Conclusion:

I really enjoyed this. No reason why everyone shouldn't have this campaign.

Pros:

-Great design and layout
-Really realistic
-Well detailed and not lacking weapon/item placement

Cons:

-Game AI doesn't work the best with weird stairs.
-Locked doors when broken show holes in map
-Some balcony too high for infected to climb over during hordes and they glitch and fight each other
-Water should be toxic 
-3d background has some errors
-From the highest roof in the center of the map you can jump to the other side and get out of the map. I say out of the map because i can see you used no draw on the walls back there.

Conclusion:

As soon as beta errors are fixed this will be a really nice map.