Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | FrееТР.оrg | Normal | 8.30 seconds |
| (Co-op) l4d_airport02_offices | FrееТР.оrg | Normal | 7.85 minutes |
| (Co-op) l4d_airport03_garage | FrееТР.оrg | Normal | 6.25 minutes |
| (Co-op) l4d_airport05_runway | FrееТР.оrg | Advanced | 7.64 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | FrееТР.оrg | Normal | 8.30 seconds |
| (Co-op) l4d_airport02_offices | FrееТР.оrg | Normal | 7.85 minutes |
| (Co-op) l4d_airport03_garage | FrееТР.оrg | Normal | 6.25 minutes |
| (Co-op) l4d_airport05_runway | FrееТР.оrg | Advanced | 7.64 minutes |