Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices |  marmarmargier | Normal | 5.59 minutes |
| (Co-op) l4d_airport03_garage | marmarmargier | Normal | 7.79 minutes |
| (Co-op) l4d_airport04_terminal | marmarmargier | Normal | 3.63 minutes |
| (Co-op) l4d_airport05_runway | marmarmargier | Normal | 5.68 minutes |
