Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | ^^ | Normal | 5.24 minutes |
| (Co-op) l4d_airport02_offices | ^^ | Normal | 15.21 minutes |
| (Co-op) l4d_airport03_garage | ^^ | Normal | 20.01 minutes |
| (Co-op) l4d_airport04_terminal | ^^ | Normal | 9.54 minutes |
| (Co-op) l4d_airport05_runway | ^^ | Normal | 4.38 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | ^^ | Normal | 5.24 minutes |
| (Co-op) l4d_airport02_offices | ^^ | Normal | 15.21 minutes |
| (Co-op) l4d_airport03_garage | ^^ | Normal | 20.01 minutes |
| (Co-op) l4d_airport04_terminal | ^^ | Normal | 9.54 minutes |
| (Co-op) l4d_airport05_runway | ^^ | Normal | 4.38 minutes |