Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  Terrible Terrible Damage | Expert | 2.66 minutes |
| (Co-op) l4d_airport02_offices | Terrible Terrible Damage | Expert | 11.13 minutes |
| (Co-op) l4d_airport03_garage | Terrible Terrible Damage | Expert | 10.07 minutes |
| (Co-op) l4d_airport04_terminal | Terrible Terrible Damage | Expert | 6.45 minutes |
