Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | | Expert | 2.32 minutes |
Crash Course (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_garage01_alleys | | Advanced | 13.44 seconds |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | | Expert | 2.32 minutes |
| (Co-op) l4d_garage01_alleys | | Advanced | 13.44 seconds |
| (Co-op) l4d_stadium2_underground | | Advanced | 1.33 minutes |
| (Co-op) l4d_stadium2_underground | | Advanced | 1.33 minutes |
| (Co-op) l4d_stadium3_city1 | | Advanced | 13.22 minutes |
| (Co-op) l4d_stadium3_city1 | | Advanced | 13.22 minutes |
| (Co-op) l4d_stadium4_city2 | | Advanced | 12.28 minutes |
| (Co-op) l4d_stadium4_city2 | | Advanced | 12.28 minutes |