Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  Yeafu | Advanced | 2.11 minutes |
| (Co-op) l4d_airport02_offices | Yeafu | Advanced | 5.88 minutes |
| (Co-op) l4d_airport03_garage | Yeafu | Advanced | 8.00 minutes |
| (Co-op) l4d_airport04_terminal | Yeafu | Advanced | 3.45 minutes |
| (Co-op) l4d_airport05_runway | Yeafu | Advanced | 6.42 minutes |
