Pros:

It's a Pokemon Trainer. Come on. 
It's great, the animations are perfect, it's a good mod. 

Cons:

None. 

Conclusion:

It's great and I've been using it for a long time. 

Pros:

-Amazing innovation. 
-Tech development tree was great. 
-Very challenging. 
-GREAT for groups (a MUST.). 
-Building added an extremely important element of strategy. 

Cons:

-Impossible for single player. Impossible. 
-Bots don't enter rocket and must become sacrifices for science. 

Conclusion:

I loved it. This is amazing. This is spectacular. You win everything. 

Pros:

Story is amazing. 
Puzzles are great and challenging. 
Twists are amazing. 
So many "ARE YOU KIDDING ME?" moments to laugh at. 
GREAT for teams of 3 or 4 people. 
Difficulty is challenging, even on normal. 

Cons:

Impossible for one person, so PLAY WITH FRIENDS. 

Conclusion:

Three hours after starting, this is one of the greatest L4D2 maps I've ever seen, including the official ones. The story is great, the puzzles are great, the whole lay out is amazing. I was scared for a large portion of this campaign, heart beating fast and sitting on the edge of my seat. Perfect score.