Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  kburn99 | Normal | 4.33 minutes |
| (Co-op) l4d_airport02_offices | kburn99 | Normal | 8.59 minutes |
| (Co-op) l4d_airport03_garage | kburn99 | Normal | 13.36 minutes |
| (Co-op) l4d_airport04_terminal | kburn99 | Normal | 6.26 minutes |
| (Co-op) l4d_airport05_runway | kburn99 | Normal | 10.06 minutes |
