Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices |  Bgdixienormas | Normal | 10.73 minutes |
| (Co-op) l4d_airport03_garage | Bgdixienormas | Normal | 10.49 minutes |
| (Co-op) l4d_airport04_terminal | Bgdixienormas | Normal | 5.40 minutes |
| (Co-op) l4d_airport05_runway | Bgdixienormas | Normal | 5.90 minutes |
