Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  N11T11P | Normal | 6.45 minutes |
| (Co-op) l4d_airport02_offices | N11T11P | Normal | 13.45 minutes |
| (Co-op) l4d_airport03_garage | N11T11P | Normal | 16.00 minutes |
| (Co-op) l4d_airport04_terminal | N11T11P | Normal | 9.83 minutes |
| (Co-op) l4d_airport05_runway | N11T11P | Normal | 8.55 minutes |
