Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | FrееТР.оrg | Normal | 2.44 minutes |
| (Co-op) l4d_airport02_offices | FrееТР.оrg | Normal | 6.33 minutes |
| (Co-op) l4d_airport05_runway | FrееТР.оrg | Advanced | 6.94 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | FrееТР.оrg | Advanced | 3.77 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | FrееТР.оrg | Normal | 2.44 minutes |
| (Co-op) l4d_airport02_offices | FrееТР.оrg | Normal | 6.33 minutes |
| (Co-op) l4d_airport05_runway | FrееТР.оrg | Advanced | 6.94 minutes |
| (Co-op) l4d_farm01_hilltop | FrееТР.оrg | Advanced | 3.77 minutes |