Challenging
Clear directions
Original Tron/Portal/Serious Sam test chambers
Fun traps
Waste space
Cons:
Bug in the finale elevator
Too hard in some places
Finale is not playable - at least for me - in single player. Anyway, I finished it with Gib Fest
All walls are black
Conclusion:
This campaign is for people who want to play L4D2 out from the urban or rural apocalyptic word full with piles of dead bodies.
Pros:
Cons:
Conclusion:
This review was posted before the latest release.