Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  Player | Advanced | 1.40 minutes |
| (Co-op) l4d_airport02_offices | Player | Advanced | 7.82 minutes |
| (Co-op) l4d_airport02_offices | Player | Normal | 11.29 minutes |
| (Co-op) l4d_airport03_garage | Player | Advanced | 8.59 minutes |
| (Co-op) l4d_airport04_terminal | Player | Advanced | 6.73 minutes |
| (Co-op) l4d_airport05_runway | Player | Advanced | 6.08 minutes |
