Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  You Only Live Twice | Normal | 6.01 minutes |
| (Co-op) l4d_airport02_offices | You Only Live Twice | Normal | 14.15 minutes |
| (Co-op) l4d_airport03_garage | You Only Live Twice | Normal | 14.19 minutes |
| (Co-op) l4d_airport04_terminal | You Only Live Twice | Normal | 7.19 minutes |
| (Co-op) l4d_airport05_runway | You Only Live Twice | Normal | 7.75 minutes |
