Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  rxtations | Normal | 1.96 minutes |
| (Co-op) l4d_airport02_offices | rxtations | Normal | 7.50 minutes |
| (Co-op) l4d_airport03_garage | rxtations | Normal | 6.96 minutes |
| (Co-op) l4d_airport04_terminal | rxtations | Normal | 5.10 minutes |
| (Co-op) l4d_airport05_runway | rxtations | Normal | 5.22 minutes |
