Pros:

-Long
-Hard enough
-Great level design
-Environment chances between each level (Forest, Caves, City etc.)
-Sometimes don't know where to go

Cons:

-First two maps are maybe too long, if you die the interest reduces because you have to start all over from the start of the level
-Expert=Impossible or for only Ãœberpro players
-Sometimes don't know where to go

Conclusion:

Entertaining campaign and long lasting. Two first maps are too long ( maybe if cut to three maps it would be better ). With two players and two bots there were no navigation problems with bots though some problems finding the right way for players was hard. Sometimes just being lost in god-knows-where with zombies casing your ass is keeping definitely all of the players on their toes. Thanks for Bloue for this great campaign. Amazing job!