Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices |  MegaZero_X | Advanced | 9.12 minutes |
| (Co-op) l4d_airport03_garage | MegaZero_X | Advanced | 10.26 minutes |
| (Co-op) l4d_airport04_terminal | MegaZero_X | Advanced | 7.16 minutes |
| (Co-op) l4d_airport05_runway | MegaZero_X | Advanced | 7.28 minutes |
