Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices |  Danish8301 | Normal | 14.54 minutes |
| (Co-op) l4d_airport03_garage | Danish8301 | Normal | 14.71 minutes |
| (Co-op) l4d_airport04_terminal | Danish8301 | Normal | 11.68 minutes |
| (Co-op) l4d_airport05_runway | Danish8301 | Normal | 7.71 minutes |
