Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices |  Beastmode Knight | Normal | 9.70 minutes |
| (Co-op) l4d_airport03_garage | Beastmode Knight | Normal | 7.45 minutes |
| (Co-op) l4d_airport04_terminal | Beastmode Knight | Normal | 5.81 minutes |
| (Co-op) l4d_airport05_runway | Beastmode Knight | Normal | 5.55 minutes |
