Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | D_Skull | Advanced | 9.34 minutes |
| (Co-op) l4d_airport03_garage | D_Skull | Advanced | 8.30 minutes |
| (Co-op) l4d_airport04_terminal | D_Skull | Advanced | 4.79 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | D_Skull | Advanced | 9.34 minutes |
| (Co-op) l4d_airport03_garage | D_Skull | Advanced | 8.30 minutes |
| (Co-op) l4d_airport04_terminal | D_Skull | Advanced | 4.79 minutes |