Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  killer | Normal | 3.23 minutes |
| (Co-op) l4d_airport02_offices | killer | Normal | 9.74 minutes |
| (Co-op) l4d_airport03_garage | killer | Normal | 10.38 minutes |
| (Co-op) l4d_airport04_terminal | killer | Normal | 6.12 minutes |
| (Co-op) l4d_airport05_runway | killer | Advanced | 18.63 minutes |
| (Co-op) l4d_airport05_runway | killer | Normal | 5.81 minutes |
