Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  graceusz | Normal | 2.37 minutes |
| (Co-op) l4d_airport02_offices | graceusz | Normal | 7.73 minutes |
| (Co-op) l4d_airport03_garage | graceusz | Normal | 7.87 minutes |
| (Co-op) l4d_airport04_terminal | graceusz | Normal | 4.97 minutes |
| (Co-op) l4d_airport05_runway | graceusz | Normal | 5.82 minutes |
