Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | lccXI | Normal | 27.86 seconds |
| (Co-op) l4d_airport04_terminal | lccXI | Advanced | 7.34 minutes |
| (Co-op) l4d_airport05_runway | lccXI | Advanced | 7.51 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | lccXI | Normal | 27.86 seconds |
| (Co-op) l4d_airport04_terminal | lccXI | Advanced | 7.34 minutes |
| (Co-op) l4d_airport05_runway | lccXI | Advanced | 7.51 minutes |