Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices |  Erika Kane | Advanced | 9.49 minutes |
| (Co-op) l4d_airport03_garage | Erika Kane | Advanced | 11.75 minutes |
| (Co-op) l4d_airport04_terminal | Erika Kane | Advanced | 9.73 minutes |
| (Co-op) l4d_airport05_runway | Erika Kane | Advanced | 7.92 minutes |
