Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices |  KatieKat5001 | Normal | 9.80 minutes |
| (Co-op) l4d_airport03_garage | KatieKat5001 | Normal | 12.62 minutes |
| (Co-op) l4d_airport04_terminal | KatieKat5001 | Normal | 4.97 minutes |
| (Co-op) l4d_airport05_runway | KatieKat5001 | Normal | 11.52 minutes |
