Pros:

Really adds tactics to the game
The tech tree works very well
Barricading is a lot of fun

Cons:

Some sky glitching when using the minigun
Bots cannot equip weapons other than the starting pistols

Conclusion:

A great map, certainly had a good time with it. The barricading was tense and exciting, and forced us to really watch each other's backs. I will certainly recommend this to others, good job.

Pros:

Brilliant use of character dialogue
Custom music adds to the atmosphere
Maps very well designed
Custom weapons show off the author's prowess
Really plays around with the SDK's abilities

Cons:

The Saferoom music can be cut off at the end
Some crashes when using the custom weaponry

Conclusion:

A masterpiece of the community, Blood Tracks promises a deep, meaningful and well-created experience with it's excellent promo video and certainly delivers in both gameplay and immersion. Very impressive.