Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | FrееТР.оrg | Advanced | 2.36 minutes |
| (Co-op) l4d_airport02_offices | FrееТР.оrg | Advanced | 10.31 minutes |
| (Co-op) l4d_airport03_garage | FrееТР.оrg | Advanced | 9.87 minutes |
| (Co-op) l4d_airport04_terminal | FrееТР.оrg | Advanced | 7.11 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | FrееТР.оrg | Advanced | 2.36 minutes |
| (Co-op) l4d_airport02_offices | FrееТР.оrg | Advanced | 10.31 minutes |
| (Co-op) l4d_airport03_garage | FrееТР.оrg | Advanced | 9.87 minutes |
| (Co-op) l4d_airport04_terminal | FrееТР.оrg | Advanced | 7.11 minutes |