Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices |  scagtastical | Expert | 6.25 minutes |
| (Co-op) l4d_airport03_garage | scagtastical | Expert | 7.42 minutes |
| (Co-op) l4d_airport04_terminal | scagtastical | Expert | 4.25 minutes |
| (Co-op) l4d_airport05_runway | scagtastical | Expert | 7.02 minutes |
