Pros:

-Cola events :D ! 
-ITS JAPANESE STYLE !!!! 
-Skytrains and lift's radio music are damn awesome.
-Creative ending on the final.

Cons:

-none :D !

Conclusion:

Dont play this if you dont like cola events.Me and my friend had fun playing this map , i liked the idea of leaving your teammates behind if they fail to get on the skytrain and the lift.Hahaha ! Surprising and funny as my friend had to jump off the building because i accidentally pressed the button on the skytrain , hence , leaving him behind Q_Q !

Pros:

-It looked like justin bieber , the hall and all
-HE HAS THE ALBUM !!!! 
-Nice "Baby" song after you alerted the witch.

Cons:

-none :D !

Conclusion:

Could have used different songs whenever you alerted the witch.

Pros:

-Fun and creative(too creative) 
-take left4dead2 to a whole new level 
-Epic final LOL ! 
-Lots of surprise

Cons:

-None

Conclusion:

Should team up with the creator of "lets build a rocket" of l4d2 campaign maps.Both of you are awesome !!!!

Pros:

-Creative way of escaping and defending yourself at the same time
-The "Technology" area is just intense as your racing against time and zombies to upgrade your weapons
-Fun building stuff around the premises.

Cons:

-The infected dont get much involved as the horde of zombie does ...

Conclusion:

If you dont try it , your at a loss.