Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | FrееТР.оrg | Expert | 2.89 minutes |
| (Co-op) l4d_airport02_offices | FrееТР.оrg | Expert | 8.21 minutes |
| (Co-op) l4d_airport03_garage | FrееТР.оrg | Expert | 8.36 minutes |
| (Co-op) l4d_airport04_terminal | FrееТР.оrg | Expert | 10.41 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | FrееТР.оrg | Expert | 2.89 minutes |
| (Co-op) l4d_airport02_offices | FrееТР.оrg | Expert | 8.21 minutes |
| (Co-op) l4d_airport03_garage | FrееТР.оrg | Expert | 8.36 minutes |
| (Co-op) l4d_airport04_terminal | FrееТР.оrg | Expert | 10.41 minutes |