Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Lackets | Advanced | 4.03 minutes |
| (Co-op) l4d_airport02_offices | Lackets | Advanced | 9.84 minutes |
| (Co-op) l4d_airport03_garage | Lackets | Advanced | 8.87 minutes |
| (Co-op) l4d_airport04_terminal | Lackets | Advanced | 8.46 minutes |
| (Co-op) l4d_airport05_runway | Lackets | Advanced | 8.31 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Lackets | Advanced | 4.03 minutes |
| (Co-op) l4d_airport02_offices | Lackets | Advanced | 9.84 minutes |
| (Co-op) l4d_airport03_garage | Lackets | Advanced | 8.87 minutes |
| (Co-op) l4d_airport04_terminal | Lackets | Advanced | 8.46 minutes |
| (Co-op) l4d_airport05_runway | Lackets | Advanced | 8.31 minutes |