No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital02_subway | quiet | Advanced | 14.26 minutes |
| (Co-op) l4d_hospital03_sewers | quiet | Advanced | 9.43 minutes |
| (Co-op) l4d_hospital04_interior | quiet | Advanced | 7.23 minutes |
| (Co-op) l4d_hospital05_rooftop | quiet | Advanced | 9.01 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | quiet | Expert | 3.91 minutes |
| (Co-op) l4d_airport01_greenhouse | quiet | Normal | 4.11 seconds |
| (Co-op) l4d_airport02_offices | quiet | Normal | 6.26 minutes |
| (Co-op) l4d_airport03_garage | quiet | Normal | 9.37 minutes |
| (Co-op) l4d_airport04_terminal | quiet | Normal | 5.56 minutes |
| (Co-op) l4d_airport05_runway | quiet | Advanced | 8.16 minutes |
Death Toll (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_smalltown01_caves | quiet | Advanced | 4.91 minutes |
| (Co-op) l4d_smalltown02_drainage | quiet | Advanced | 6.23 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | quiet | Expert | 7.37 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | quiet | Advanced | 6.71 minutes |
| (Co-op) l4d_smalltown04_mainstreet | quiet | Expert | 10.60 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | quiet | Expert | 3.91 minutes |
| (Co-op) l4d_airport01_greenhouse | quiet | Normal | 4.11 seconds |
| (Co-op) l4d_airport02_offices | quiet | Normal | 6.26 minutes |
| (Co-op) l4d_airport03_garage | quiet | Normal | 9.37 minutes |
| (Co-op) l4d_airport04_terminal | quiet | Normal | 5.56 minutes |
| (Co-op) l4d_airport05_runway | quiet | Advanced | 8.16 minutes |
| (Co-op) l4d_hospital02_subway | quiet | Advanced | 14.26 minutes |
| (Co-op) l4d_hospital03_sewers | quiet | Advanced | 9.43 minutes |
| (Co-op) l4d_hospital04_interior | quiet | Advanced | 7.23 minutes |
| (Co-op) l4d_hospital05_rooftop | quiet | Advanced | 9.01 minutes |
| (Co-op) l4d_river01_docks | quiet | Expert | 49.73 seconds |
| (Co-op) l4d_river01_docks | quiet | Expert | 49.73 seconds |
| (Co-op) l4d_river02_barge | quiet | Expert | 12.31 minutes |
| (Co-op) l4d_river02_barge | quiet | Expert | 12.31 minutes |
| (Co-op) l4d_river03_port | quiet | Expert | 14.50 minutes |
| (Co-op) l4d_river03_port | quiet | Expert | 14.50 minutes |
| (Co-op) l4d_smalltown01_caves | quiet | Advanced | 4.91 minutes |
| (Co-op) l4d_smalltown02_drainage | quiet | Advanced | 6.23 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | quiet | Expert | 7.37 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | quiet | Advanced | 6.71 minutes |
| (Co-op) l4d_smalltown04_mainstreet | quiet | Expert | 10.60 minutes |