Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices |  azureblaze2933 | Advanced | 8.40 minutes |
| (Co-op) l4d_airport03_garage | azureblaze2933 | Advanced | 8.84 minutes |
| (Co-op) l4d_airport04_terminal | azureblaze2933 | Advanced | 8.41 minutes |
| (Co-op) l4d_airport05_runway | azureblaze2933 | Advanced | 8.68 minutes |
