Pros:

- Very Realistic.
- Lots of details.
- New build system.
- Original way to obtain weapons.
- Awesome poster.

Cons:

- Outro animation sometimes doesn't work.

Conclusion:

Another great work by Mapeater! Keep it up.

Pros:

*amazing details.
*provides a great challenge.
*lots of places to camp.
*custom models
*realistic look

Cons:

*maybe make the map a little bit larger
*some nav issues here and there but nothing that breaks the gameplay

Conclusion:

overall,this is the best survival map I've played.I like the detail put in it plus the custom models are great!
keep up the good work.

Pros:

Excellent layout very original something different. 
the difficulty level is ok for does go have great experience playing L4D
fulfills all the requirements of this contest 
the map atmospheres is very interesting and well design

Cons:

Playing this on easy is such a big piece of cake
Maybe is too dark try changing the light settings a little bit

Conclusion:

Finally a map that i call "piece of art" different from the others Let's Build,with my friends we saw the great work put into this and that is something you don't see to often this days.personally i thing that it need some minor tweaks but for now is the only map that bets to the change.