Pros:

-Interesting campaign
-Not so much bugs
-Traps
-You need to use brain, if you want to win. :D
-It's not boring

Cons:

-Bad navigation
-Some bugs
-Doors are moving in bad directions (for example, they should move clockwise, but they move counterclockwise)
-Too few dialogues

Conclusion:

Map's nice. I'm sure, I will download full version. Good idea with that crates and traps, but it can annoy a little, when you play with bots. It is not boring. Biedronka i ruch były ciekawe :D

Pros:

-Nice places
-L4D atmosphere
-Much great ideas
-etc.

Cons:

-None

Conclusion:

Map is perfect. This is best custom campaign ever!