Pros:

Fun
Endless Massacre
Every weapon in the game at your disposal
Clever idea for the buttons that call in tanks and music etc
Very Addictive

Cons:

Game crashes when you close saferoom door
For me you cannot get into the room with the turret
not enough songs on the button wall

Conclusion:

Very fun map. Deffinatly one of my top 5 left 4 dead 2 addons I've played. However the cons I mention are the only reason I don't rate this 100. Please fix cons?

Pros:

Fun
Challenging
Suprises you
Good Design
Good Sound Effects
Good Puzzles

Cons:

If you die the whole level starts from the beginning which is annoying

Conclusion:

Great map, challenging but fun and nothing like the other addons.