No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment |  awful | Advanced | 3.95 minutes |
| (Co-op) l4d_hospital01_apartment | awful | Normal | 3.38 minutes |
| (Co-op) l4d_hospital02_subway | awful | Advanced | 11.97 minutes |
| (Co-op) l4d_hospital02_subway | awful | Normal | 11.00 minutes |
| (Co-op) l4d_hospital03_sewers | awful | Normal | 9.81 minutes |
| (Co-op) l4d_hospital04_interior | awful | Expert | 6.61 minutes |
| (Co-op) l4d_hospital04_interior | awful | Advanced | 8.18 minutes |
| (Co-op) l4d_hospital04_interior | awful | Normal | 6.52 minutes |
| (Co-op) l4d_hospital05_rooftop | awful | Expert | 13.24 minutes |
| (Co-op) l4d_hospital05_rooftop | awful | Advanced | 11.38 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | awful | Advanced | 3.44 minutes |
| (Co-op) l4d_airport01_greenhouse | awful | Normal | 4.96 minutes |
| (Co-op) l4d_airport02_offices | awful | Advanced | 7.36 minutes |
| (Co-op) l4d_airport03_garage | awful | Advanced | 8.53 minutes |
| (Co-op) l4d_airport03_garage | awful | Normal | 6.07 minutes |
| (Co-op) l4d_airport04_terminal | awful | Advanced | 4.00 minutes |
| (Co-op) l4d_airport04_terminal | awful | Normal | 3.72 minutes |
| (Co-op) l4d_airport05_runway | awful | Expert | 10.87 minutes |
| (Co-op) l4d_airport05_runway | awful | Advanced | 10.66 minutes |
| (Co-op) l4d_airport05_runway | awful | Normal | 6.92 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | awful | Normal | 49.06 seconds |
| (Co-op) l4d_smalltown02_drainage | awful | Normal | 6.81 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | awful | Advanced | 7.63 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | awful | Normal | 5.49 minutes |
| (Co-op) l4d_smalltown04_mainstreet | awful | Advanced | 11.39 minutes |
| (Co-op) l4d_smalltown04_mainstreet | awful | Normal | 8.34 minutes |
| (Co-op) l4d_smalltown05_houseboat | awful | Advanced | 12.36 minutes |
| (Co-op) l4d_smalltown05_houseboat | awful | Normal | 21.11 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | awful | Expert | 2.85 minutes |
| (Co-op) l4d_farm01_hilltop | awful | Advanced | 4.33 minutes |
| (Co-op) l4d_farm01_hilltop | awful | Normal | 4.01 minutes |
| (Co-op) l4d_farm02_traintunnel | awful | Advanced | 4.42 minutes |
| (Co-op) l4d_farm02_traintunnel | awful | Normal | 6.98 minutes |
| (Co-op) l4d_farm03_bridge | awful | Advanced | 6.58 minutes |
| (Co-op) l4d_farm03_bridge | awful | Normal | 5.03 minutes |
| (Co-op) l4d_farm04_barn | awful | Advanced | 4.49 minutes |
| (Co-op) l4d_farm04_barn | awful | Normal | 4.64 minutes |
| (Co-op) l4d_farm05_cornfield | awful | Advanced | 12.50 minutes |
| (Co-op) l4d_farm05_cornfield | awful | Normal | 8.27 minutes |
