Timed Maps

No Mercy (L4D1)

MapNameDifficultyTime
(Co-op) l4d_hospital01_apartmentWilliam AftonAdvanced5.05 minutes

Dead Air (L4D1)

MapNameDifficultyTime
(Co-op) l4d_airport01_greenhouseWilliam AftonAdvanced1.08 minutes

Custom Maps

MapNameDifficultyTime
(Co-op) l4d_airport01_greenhouseWilliam AftonAdvanced1.08 minutes
(Co-op) l4d_hospital01_apartmentWilliam AftonAdvanced5.05 minutes