Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  Mr_Guspatcho | Advanced | 9.47 minutes |
| (Co-op) l4d_airport02_offices | Mr_Guspatcho | Advanced | 20.59 minutes |
| (Co-op) l4d_airport03_garage | Mr_Guspatcho | Advanced | 21.96 minutes |
| (Co-op) l4d_airport04_terminal | Mr_Guspatcho | Advanced | 10.58 minutes |
| (Co-op) l4d_airport05_runway | Mr_Guspatcho | Advanced | 9.55 minutes |
