No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital01_apartment | Malignant | Normal | 2.73 minutes |
| (Co-op) l4d_hospital02_subway | Malignant | Normal | 6.61 minutes |
| (Co-op) l4d_hospital03_sewers | Malignant | Normal | 6.98 minutes |
| (Co-op) l4d_hospital04_interior | Malignant | Advanced | 6.16 minutes |
| (Co-op) l4d_hospital04_interior | Malignant | Normal | 5.78 minutes |
| (Co-op) l4d_hospital05_rooftop | Malignant | Advanced | 13.85 minutes |
| (Co-op) l4d_hospital05_rooftop | Malignant | Normal | 7.98 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Malignant | Advanced | 30.91 seconds |
| (Co-op) l4d_airport02_offices | Malignant | Advanced | 12.76 minutes |
| (Co-op) l4d_airport05_runway | Malignant | Expert | 8.74 minutes |
Death Toll (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_smalltown02_drainage | Malignant | Advanced | 9.58 minutes |
| (Co-op) l4d_smalltown05_houseboat | Malignant | Expert | 17.79 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm04_barn | Malignant | Normal | 5.05 minutes |
| (Co-op) l4d_farm05_cornfield | Malignant | Normal | 14.47 minutes |
Crash Course (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_garage01_alleys | Malignant | Normal | 12.13 minutes |
| (Co-op) l4d_garage02_lots | Malignant | Advanced | 23.55 minutes |
| (Co-op) l4d_garage02_lots | Malignant | Normal | 12.28 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Malignant | Advanced | 30.91 seconds |
| (Co-op) l4d_airport02_offices | Malignant | Advanced | 12.76 minutes |
| (Co-op) l4d_airport05_runway | Malignant | Expert | 8.74 minutes |
| (Co-op) l4d_farm04_barn | Malignant | Normal | 5.05 minutes |
| (Co-op) l4d_farm05_cornfield | Malignant | Normal | 14.47 minutes |
| (Co-op) l4d_garage01_alleys | Malignant | Normal | 12.13 minutes |
| (Co-op) l4d_garage02_lots | Malignant | Advanced | 23.55 minutes |
| (Co-op) l4d_garage02_lots | Malignant | Normal | 12.28 minutes |
| (Co-op) l4d_hospital01_apartment | Malignant | Normal | 2.73 minutes |
| (Co-op) l4d_hospital02_subway | Malignant | Normal | 6.61 minutes |
| (Co-op) l4d_hospital03_sewers | Malignant | Normal | 6.98 minutes |
| (Co-op) l4d_hospital04_interior | Malignant | Advanced | 6.16 minutes |
| (Co-op) l4d_hospital04_interior | Malignant | Normal | 5.78 minutes |
| (Co-op) l4d_hospital05_rooftop | Malignant | Advanced | 13.85 minutes |
| (Co-op) l4d_hospital05_rooftop | Malignant | Normal | 7.98 minutes |
| (Co-op) l4d_river01_docks | Malignant | Expert | 10.53 minutes |
| (Co-op) l4d_river01_docks | Malignant | Expert | 10.53 minutes |
| (Co-op) l4d_river01_docks | Malignant | Advanced | 12.35 minutes |
| (Co-op) l4d_river01_docks | Malignant | Advanced | 12.35 minutes |
| (Co-op) l4d_smalltown02_drainage | Malignant | Advanced | 9.58 minutes |
| (Co-op) l4d_smalltown05_houseboat | Malignant | Expert | 17.79 minutes |