Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices |  LuiisChang | Advanced | 13.23 minutes |
| (Co-op) l4d_airport03_garage | LuiisChang | Advanced | 11.77 minutes |
| (Co-op) l4d_airport04_terminal | LuiisChang | Advanced | 7.69 minutes |
| (Co-op) l4d_airport05_runway | LuiisChang | Advanced | 7.66 minutes |
