Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices |  mini_glist | Normal | 6.16 minutes |
| (Co-op) l4d_airport03_garage | mini_glist | Normal | 4.41 minutes |
| (Co-op) l4d_airport04_terminal | mini_glist | Normal | 5.37 minutes |
| (Co-op) l4d_airport05_runway | mini_glist | Normal | 5.33 minutes |
