Left 4 Dead 2 - Pouring (Sanity) Down The Drain [Full Campaign]
A fairly recent map (at the time of writing) and I was pleasently surprised by it, it's pretty good, does some unique sections and is well made.
We may have missed the fireworks to start the finale for an embarrassing amount of time.
Map: https://steamcommunity.com/sharedfile...
Addons I use: https://steamcommunity.com/sharedfile...