Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | FrееТР.оrg | Advanced | 3.73 minutes |
| (Co-op) l4d_airport02_offices | FrееТР.оrg | Advanced | 10.72 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | FrееТР.оrg | Advanced | 3.73 minutes |
| (Co-op) l4d_airport02_offices | FrееТР.оrg | Advanced | 10.72 minutes |
| (Co-op) l4d_river02_barge | FrееТР.оrg | Advanced | 16.50 minutes |
| (Co-op) l4d_river02_barge | FrееТР.оrg | Advanced | 16.50 minutes |