Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | D_Skull | Advanced | 11.04 minutes |
| (Co-op) l4d_airport04_terminal | D_Skull | Advanced | 6.29 minutes |
| (Co-op) l4d_airport05_runway | D_Skull | Advanced | 5.74 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | D_Skull | Advanced | 11.04 minutes |
| (Co-op) l4d_airport04_terminal | D_Skull | Advanced | 6.29 minutes |
| (Co-op) l4d_airport05_runway | D_Skull | Advanced | 5.74 minutes |