Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  MourtegouL | Normal | 8.80 minutes |
| (Co-op) l4d_airport02_offices | MourtegouL | Normal | 13.69 minutes |
| (Co-op) l4d_airport03_garage | MourtegouL | Normal | 15.86 minutes |
| (Co-op) l4d_airport04_terminal | MourtegouL | Normal | 11.09 minutes |
