Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Udav | Expert | 4.01 minutes |
| (Co-op) l4d_airport02_offices | Udav | Expert | 12.60 minutes |
| (Co-op) l4d_airport03_garage | Udav | Expert | 17.34 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Udav | Expert | 4.01 minutes |
| (Co-op) l4d_airport02_offices | Udav | Expert | 12.60 minutes |
| (Co-op) l4d_airport03_garage | Udav | Expert | 17.34 minutes |
| (Co-op) l4d_river01_docks | Udav | Expert | 8.76 minutes |
| (Co-op) l4d_river01_docks | Udav | Expert | 8.76 minutes |
| (Co-op) l4d_river02_barge | Udav | Expert | 10.21 minutes |
| (Co-op) l4d_river02_barge | Udav | Expert | 10.21 minutes |