Pros:

-Fun, very nice survival
-Pretty good, like the other "Let's Build a:" maps.
-Can research weapons
-Fair building

Cons:

-Bots don't help at all
-Bad grammar
-Zombies come way to quickly
-None of the defences brake, it's kinda boring to build a fence without it breaking from all the zombies climb over it
-some of the zombies run past the fences, walls, ETC.

Conclusion:

Aside from the cons, this is pretty good, except for the bots that never seem to build the fences or grab weapons from the research station, I literally have to unlock seprate weapons and drop them on the floor for the bots to pick them up.