Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | [BY]D_Skull | Normal | 1.54 minutes |
| (Co-op) l4d_airport03_garage | [BY]D_Skull | Normal | 14.15 minutes |
| (Co-op) l4d_airport04_terminal | [BY]D_Skull | Normal | 6.62 minutes |
| (Co-op) l4d_airport05_runway | [BY]D_Skull | Normal | 7.65 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | [BY]D_Skull | Normal | 1.54 minutes |
| (Co-op) l4d_airport03_garage | [BY]D_Skull | Normal | 14.15 minutes |
| (Co-op) l4d_airport04_terminal | [BY]D_Skull | Normal | 6.62 minutes |
| (Co-op) l4d_airport05_runway | [BY]D_Skull | Normal | 7.65 minutes |