Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  Thenia13 | Normal | 7.90 minutes |
| (Co-op) l4d_airport02_offices | Thenia13 | Normal | 11.54 minutes |
| (Co-op) l4d_airport03_garage | Thenia13 | Normal | 13.53 minutes |
| (Co-op) l4d_airport04_terminal | Thenia13 | Normal | 11.42 minutes |
| (Co-op) l4d_airport05_runway | Thenia13 | Normal | 7.59 minutes |
