Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices |  ππΈβππβποΎ | Normal | 14.28 minutes |
| (Co-op) l4d_airport03_garage | ππΈβππβποΎ | Normal | 13.00 minutes |
| (Co-op) l4d_airport04_terminal | ππΈβππβποΎ | Normal | 4.41 minutes |
| (Co-op) l4d_airport05_runway | ππΈβππβποΎ | Normal | 7.67 minutes |
