Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | FrееТР.оrg | Expert | 14.15 minutes |
| (Co-op) l4d_airport04_terminal | FrееТР.оrg | Expert | 10.65 minutes |
| (Co-op) l4d_airport05_runway | FrееТР.оrg | Expert | 11.05 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | FrееТР.оrg | Expert | 5.89 minutes |
| (Co-op) l4d_farm02_traintunnel | FrееТР.оrg | Expert | 12.30 minutes |
| (Co-op) l4d_farm03_bridge | FrееТР.оrg | Expert | 7.79 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | FrееТР.оrg | Expert | 14.15 minutes |
| (Co-op) l4d_airport04_terminal | FrееТР.оrg | Expert | 10.65 minutes |
| (Co-op) l4d_airport05_runway | FrееТР.оrg | Expert | 11.05 minutes |
| (Co-op) l4d_farm01_hilltop | FrееТР.оrg | Expert | 5.89 minutes |
| (Co-op) l4d_farm02_traintunnel | FrееТР.оrg | Expert | 12.30 minutes |
| (Co-op) l4d_farm03_bridge | FrееТР.оrg | Expert | 7.79 minutes |