Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices |  Verminskinn | Advanced | 11.72 minutes |
| (Co-op) l4d_airport03_garage | Verminskinn | Advanced | 12.69 minutes |
| (Co-op) l4d_airport04_terminal | Verminskinn | Advanced | 8.94 minutes |
| (Co-op) l4d_airport05_runway | Verminskinn | Advanced | 6.40 minutes |
