This is not your grave, but you are welcome in it. Fight with others against the Infected, or fall to their swords and join them.

Based on scraping 226 games in this playlist, we've found the following maps and modes:

Disclaimer: randomness in the data source can account for different weightings for each map or mode. Your mileage may vary.

Game Type Map Games Counted
Contingency The Green Zone 19
Contingency Bleak Rock 18
Contingency Coastal Highway 18
Castle Raid Castello 15
Speed Demons Viking 15
Contingency The Burrows 14
Infection The Crypt 8
Infection Power Installation 484 7
Alpha Zombies Boarding Pass 6
Alpha Zombies Freakshow 6
Alpha Zombies Ghoul Town 6
Infection Hellfire 6
Alpha Zombies Malignant 6
Infection Drillsite 5
Infection Black Friday 5
Alpha Zombies Doubloon 5
Alpha Zombies R.I.P.Tide 5
Infection R.I.P.Tide 5
Infection Station Zulu 5
Infection Storms End 5
Alpha Zombies Studio 17 4
Alpha Zombies Storms End 4
Alpha Zombies Nerve Center 4
Alpha Zombies Hellfire 4
Alpha Zombies Power Installation 484 4
Infection Boarding Pass 4
Alpha Zombies Backwoods 4
Infection Backwoods 4
Infection Ghoul Town 3
Infection Studio 17 3
Infection Nerve Center 2
Alpha Zombies Station Zulu 2
Alpha Zombies Drillsite 2
Infection Freakshow 1
Infection Malignant 1
Infection Doubloon 1