No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment |  nightmare | Advanced | 2.84 minutes |
| (Co-op) l4d_hospital01_apartment | nightmare | Normal | 2.99 minutes |
| (Co-op) l4d_hospital02_subway | nightmare | Expert | 10.52 minutes |
| (Co-op) l4d_hospital02_subway | nightmare | Advanced | 6.69 minutes |
| (Co-op) l4d_hospital02_subway | nightmare | Normal | 5.97 minutes |
| (Co-op) l4d_hospital03_sewers | nightmare | Expert | 14.59 minutes |
| (Co-op) l4d_hospital03_sewers | nightmare | Advanced | 7.68 minutes |
| (Co-op) l4d_hospital03_sewers | nightmare | Normal | 4.90 minutes |
| (Co-op) l4d_hospital04_interior | nightmare | Expert | 6.99 minutes |
| (Co-op) l4d_hospital04_interior | nightmare | Advanced | 5.88 minutes |
| (Co-op) l4d_hospital04_interior | nightmare | Normal | 3.90 minutes |
| (Co-op) l4d_hospital05_rooftop | nightmare | Expert | 8.29 minutes |
| (Co-op) l4d_hospital05_rooftop | nightmare | Advanced | 9.36 minutes |
| (Co-op) l4d_hospital05_rooftop | nightmare | Normal | 6.18 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | nightmare | Normal | 2.58 minutes |
| (Co-op) l4d_airport02_offices | nightmare | Normal | 8.47 minutes |
| (Co-op) l4d_airport03_garage | nightmare | Normal | 7.80 minutes |
| (Co-op) l4d_airport04_terminal | nightmare | Advanced | 5.38 minutes |
| (Co-op) l4d_airport04_terminal | nightmare | Normal | 5.14 minutes |
| (Co-op) l4d_airport05_runway | nightmare | Advanced | 7.39 minutes |
| (Co-op) l4d_airport05_runway | nightmare | Normal | 6.07 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | nightmare | Expert | 4.13 minutes |
| (Co-op) l4d_smalltown01_caves | nightmare | Advanced | 4.99 minutes |
| (Co-op) l4d_smalltown01_caves | nightmare | Normal | 2.30 minutes |
| (Co-op) l4d_smalltown02_drainage | nightmare | Expert | 6.32 minutes |
| (Co-op) l4d_smalltown02_drainage | nightmare | Advanced | 4.82 minutes |
| (Co-op) l4d_smalltown02_drainage | nightmare | Normal | 3.63 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | nightmare | Advanced | 8.08 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | nightmare | Normal | 7.75 minutes |
| (Co-op) l4d_smalltown04_mainstreet | nightmare | Advanced | 7.81 minutes |
| (Co-op) l4d_smalltown04_mainstreet | nightmare | Normal | 11.68 minutes |
| (Co-op) l4d_smalltown05_houseboat | nightmare | Advanced | 8.95 minutes |
| (Co-op) l4d_smalltown05_houseboat | nightmare | Normal | 9.73 minutes |
