No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment |  FrееТР.оrg | Normal | 4.14 minutes |
| (Co-op) l4d_hospital02_subway | FrееТР.оrg | Normal | 10.87 minutes |
| (Co-op) l4d_hospital03_sewers | FrееТР.оrg | Normal | 5.94 minutes |
| (Co-op) l4d_hospital04_interior | FrееТР.оrg | Normal | 6.45 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport04_terminal | FrееТР.оrg | Advanced | 4.53 minutes |
| (Co-op) l4d_airport05_runway | FrееТР.оrg | Advanced | 6.40 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | FrееТР.оrg | Advanced | 4.19 minutes |
