Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | FrееТР.оrg
| Expert | 3.81 minutes |
| (Co-op) l4d_airport02_offices | FrееТР.оrg
| Expert | 6.70 minutes |
| (Co-op) l4d_airport03_garage | FrееТР.оrg
| Expert | 10.36 minutes |
| (Co-op) l4d_airport04_terminal | FrееТР.оrg
| Expert | 17.19 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | FrееТР.оrg
| Expert | 3.81 minutes |
| (Co-op) l4d_airport02_offices | FrееТР.оrg
| Expert | 6.70 minutes |
| (Co-op) l4d_airport03_garage | FrееТР.оrg
| Expert | 10.36 minutes |
| (Co-op) l4d_airport04_terminal | FrееТР.оrg
| Expert | 17.19 minutes |
| (Co-op) l4d_river01_docks | FrееТР.оrg
| Advanced | 11.68 minutes |
| (Co-op) l4d_river01_docks | FrееТР.оrg
| Advanced | 11.68 minutes |
| (Co-op) l4d_river02_barge | FrееТР.оrg
| Advanced | 15.54 minutes |
| (Co-op) l4d_river02_barge | FrееТР.оrg
| Advanced | 15.54 minutes |