Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  Whitedaint | Normal | 2.20 minutes |
| (Co-op) l4d_airport02_offices | Whitedaint | Normal | 8.57 minutes |
| (Co-op) l4d_airport03_garage | Whitedaint | Normal | 6.81 minutes |
| (Co-op) l4d_airport04_terminal | Whitedaint | Normal | 4.08 minutes |
| (Co-op) l4d_airport05_runway | Whitedaint | Normal | 6.30 minutes |
