No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway |  FrееТР.оrg | Normal | 11.19 minutes |
| (Co-op) l4d_hospital03_sewers | FrееТР.оrg | Normal | 18.06 minutes |
| (Co-op) l4d_hospital04_interior | FrееТР.оrg | Normal | 8.62 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport05_runway | FrееТР.оrg | Normal | 6.13 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | FrееТР.оrg | Normal | 3.06 minutes |
| (Co-op) l4d_farm02_traintunnel | FrееТР.оrg | Normal | 5.96 minutes |
| (Co-op) l4d_farm03_bridge | FrееТР.оrg | Normal | 7.61 minutes |
| (Co-op) l4d_farm04_barn | FrееТР.оrg | Normal | 5.29 minutes |
| (Co-op) l4d_farm05_cornfield | FrееТР.оrg | Normal | 10.59 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage01_alleys | FrееТР.оrg | Normal | 14.22 minutes |
| (Co-op) l4d_garage02_lots | FrееТР.оrg | Normal | 10.61 minutes |
