No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital01_apartment | D_Skull | Normal | 3.86 minutes |
| (Co-op) l4d_hospital02_subway | D_Skull | Normal | 5.59 minutes |
| (Co-op) l4d_hospital04_interior | D_Skull | Advanced | 5.41 minutes |
| (Co-op) l4d_hospital05_rooftop | D_Skull | Advanced | 11.20 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | D_Skull | Advanced | 2.27 minutes |
| (Co-op) l4d_airport02_offices | D_Skull | Advanced | 7.29 minutes |
| (Co-op) l4d_airport03_garage | D_Skull | Advanced | 10.25 minutes |
| (Co-op) l4d_airport04_terminal | D_Skull | Advanced | 5.38 minutes |
| (Co-op) l4d_airport05_runway | D_Skull | Advanced | 6.50 minutes |
Death Toll (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_smalltown01_caves | D_Skull | Advanced | 5.22 minutes |
| (Co-op) l4d_smalltown02_drainage | D_Skull | Advanced | 7.62 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | D_Skull | Advanced | 6.23 minutes |
| (Co-op) l4d_smalltown04_mainstreet | D_Skull | Advanced | 6.77 minutes |
| (Co-op) l4d_smalltown05_houseboat | D_Skull | Advanced | 9.80 minutes |
Crash Course (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_garage02_lots | D_Skull | Normal | 10.39 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | D_Skull | Advanced | 2.27 minutes |
| (Co-op) l4d_airport02_offices | D_Skull | Advanced | 7.29 minutes |
| (Co-op) l4d_airport03_garage | D_Skull | Advanced | 10.25 minutes |
| (Co-op) l4d_airport04_terminal | D_Skull | Advanced | 5.38 minutes |
| (Co-op) l4d_airport05_runway | D_Skull | Advanced | 6.50 minutes |
| (Co-op) l4d_garage02_lots | D_Skull | Normal | 10.39 minutes |
| (Co-op) l4d_hospital01_apartment | D_Skull | Normal | 3.86 minutes |
| (Co-op) l4d_hospital02_subway | D_Skull | Normal | 5.59 minutes |
| (Co-op) l4d_hospital04_interior | D_Skull | Advanced | 5.41 minutes |
| (Co-op) l4d_hospital05_rooftop | D_Skull | Advanced | 11.20 minutes |
| (Co-op) l4d_river01_docks | D_Skull | Advanced | 10.98 minutes |
| (Co-op) l4d_river01_docks | D_Skull | Advanced | 10.98 minutes |
| (Co-op) l4d_river02_barge | D_Skull | Advanced | 12.69 minutes |
| (Co-op) l4d_river02_barge | D_Skull | Advanced | 12.69 minutes |
| (Co-op) l4d_river03_port | D_Skull | Advanced | 10.63 minutes |
| (Co-op) l4d_river03_port | D_Skull | Advanced | 10.63 minutes |
| (Co-op) l4d_smalltown01_caves | D_Skull | Advanced | 5.22 minutes |
| (Co-op) l4d_smalltown02_drainage | D_Skull | Advanced | 7.62 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | D_Skull | Advanced | 6.23 minutes |
| (Co-op) l4d_smalltown04_mainstreet | D_Skull | Advanced | 6.77 minutes |
| (Co-op) l4d_smalltown05_houseboat | D_Skull | Advanced | 9.80 minutes |