Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  Moon | Normal | 10.30 minutes |
| (Co-op) l4d_airport02_offices | Moon | Normal | 16.99 minutes |
| (Co-op) l4d_airport03_garage | Moon | Advanced | 11.19 minutes |
| (Co-op) l4d_airport03_garage | Moon | Normal | 16.17 minutes |
| (Co-op) l4d_airport04_terminal | Moon | Advanced | 5.44 minutes |
| (Co-op) l4d_airport04_terminal | Moon | Normal | 7.51 minutes |
| (Co-op) l4d_airport05_runway | Moon | Advanced | 8.67 minutes |
| (Co-op) l4d_airport05_runway | Moon | Normal | 7.70 minutes |
