| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | NIETO | Expert | 1.98 minutes |
| (Co-op) l4d_airport01_greenhouse | NIETO | Advanced | 5.70 seconds |
| (Co-op) l4d_airport01_greenhouse | NIETO | Normal | 11.10 seconds |
| (Co-op) l4d_airport02_offices | NIETO | Expert | 46.08 seconds |
| (Co-op) l4d_airport02_offices | NIETO | Advanced | 40.52 seconds |
| (Co-op) l4d_airport02_offices | NIETO | Normal | 54.38 seconds |
| (Co-op) l4d_airport03_garage | NIETO | Expert | 7.37 minutes |
| (Co-op) l4d_airport03_garage | NIETO | Advanced | 16.97 seconds |
| (Co-op) l4d_airport03_garage | NIETO | Normal | 8.13 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Expert | 6.39 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Advanced | 4.82 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Normal | 5.78 minutes |
| (Co-op) l4d_airport05_runway | NIETO | Expert | 8.23 minutes |
| (Co-op) l4d_airport05_runway | NIETO | Advanced | 5.00 minutes |
| (Co-op) l4d_airport05_runway | NIETO | Normal | 5.78 minutes |
| (Co-op) l4d_city17_03 | NIETO | Expert | 1.91 minutes |
| (Co-op) l4d_city17_03 | NIETO | Expert | 1.91 minutes |
| (Co-op) l4d_city17_04 | NIETO | Expert | 26.42 minutes |
| (Co-op) l4d_city17_04 | NIETO | Expert | 26.42 minutes |
| (Co-op) l4d_city17_05 | NIETO | Expert | 9.34 minutes |
| (Co-op) l4d_city17_05 | NIETO | Expert | 9.34 minutes |
| (Co-op) l4d_coldfear03_officebuilding | NIETO | Expert | 13.12 minutes |
| (Co-op) l4d_coldfear03_officebuilding | NIETO | Expert | 13.12 minutes |
| (Co-op) l4d_coldfear04_roffs | NIETO | Expert | 9.63 minutes |
| (Co-op) l4d_coldfear04_roffs | NIETO | Expert | 9.63 minutes |
| (Co-op) l4d_farm01_hilltop | NIETO | Expert | 11.97 seconds |
| (Co-op) l4d_farm01_hilltop | NIETO | Advanced | 4.30 seconds |
| (Co-op) l4d_farm01_hilltop | NIETO | Normal | 39.98 seconds |
| (Co-op) l4d_farm02_traintunnel | NIETO | Expert | 4.81 minutes |
| (Co-op) l4d_farm02_traintunnel | NIETO | Advanced | 6.09 minutes |
| (Co-op) l4d_farm02_traintunnel | NIETO | Normal | 5.40 minutes |
| (Co-op) l4d_farm03_bridge | NIETO | Expert | 7.04 minutes |
| (Co-op) l4d_farm03_bridge | NIETO | Advanced | 5.62 minutes |
| (Co-op) l4d_farm03_bridge | NIETO | Normal | 6.46 minutes |
| (Co-op) l4d_farm04_barn | NIETO | Expert | 5.51 minutes |
| (Co-op) l4d_farm04_barn | NIETO | Advanced | 3.25 minutes |
| (Co-op) l4d_farm04_barn | NIETO | Normal | 3.31 minutes |
| (Co-op) l4d_farm05_cornfield | NIETO | Expert | 9.35 minutes |
| (Co-op) l4d_farm05_cornfield | NIETO | Advanced | 6.87 minutes |
| (Co-op) l4d_farm05_cornfield | NIETO | Normal | 5.93 minutes |
| (Co-op) l4d_garage01_alleys | NIETO | Expert | 1.05 minutes |
| (Co-op) l4d_garage01_alleys | NIETO | Advanced | 8.13 seconds |
| (Co-op) l4d_garage01_alleys | NIETO | Normal | 47.95 seconds |
| (Co-op) l4d_garage02_lots | NIETO | Expert | 12.54 minutes |
| (Co-op) l4d_garage02_lots | NIETO | Advanced | 15.13 minutes |
| (Co-op) l4d_garage02_lots | NIETO | Normal | 8.46 minutes |
| (Co-op) l4d_hospital01_apartment | NIETO | Expert | 3.02 minutes |
| (Co-op) l4d_hospital01_apartment | NIETO | Advanced | 3.02 minutes |
| (Co-op) l4d_hospital01_apartment | NIETO | Normal | 3.26 minutes |
| (Co-op) l4d_hospital02_subway | NIETO | Expert | 9.69 minutes |
| (Co-op) l4d_hospital02_subway | NIETO | Advanced | 47.57 seconds |
| (Co-op) l4d_hospital02_subway | NIETO | Normal | 7.87 minutes |
| (Co-op) l4d_hospital03_sewers | NIETO | Expert | 9.66 minutes |
| (Co-op) l4d_hospital03_sewers | NIETO | Advanced | 6.82 minutes |
| (Co-op) l4d_hospital03_sewers | NIETO | Normal | 46.65 seconds |
| (Co-op) l4d_hospital04_interior | NIETO | Expert | 37.36 seconds |
| (Co-op) l4d_hospital04_interior | NIETO | Advanced | 52.86 seconds |
| (Co-op) l4d_hospital04_interior | NIETO | Normal | 4.62 seconds |
| (Co-op) l4d_hospital05_rooftop | NIETO | Expert | 9.27 minutes |
| (Co-op) l4d_hospital05_rooftop | NIETO | Advanced | 6.64 minutes |
| (Co-op) l4d_hospital05_rooftop | NIETO | Normal | 7.44 minutes |
| (Co-op) l4d_river01_docks | NIETO | Expert | 8.34 minutes |
| (Co-op) l4d_river01_docks | NIETO | Expert | 8.34 minutes |
| (Co-op) l4d_river01_docks | NIETO | Advanced | 24.05 seconds |
| (Co-op) l4d_river01_docks | NIETO | Advanced | 24.05 seconds |
| (Co-op) l4d_river01_docks | NIETO | Normal | 13.87 seconds |
| (Co-op) l4d_river01_docks | NIETO | Normal | 13.87 seconds |
| (Co-op) l4d_river02_barge | NIETO | Expert | 7.83 minutes |
| (Co-op) l4d_river02_barge | NIETO | Expert | 7.83 minutes |
| (Co-op) l4d_river02_barge | NIETO | Advanced | 7.34 minutes |
| (Co-op) l4d_river02_barge | NIETO | Advanced | 7.34 minutes |
| (Co-op) l4d_river02_barge | NIETO | Normal | 1.67 minutes |
| (Co-op) l4d_river02_barge | NIETO | Normal | 1.67 minutes |
| (Co-op) l4d_river03_port | NIETO | Expert | 7.57 minutes |
| (Co-op) l4d_river03_port | NIETO | Expert | 7.57 minutes |
| (Co-op) l4d_river03_port | NIETO | Advanced | 8.65 minutes |
| (Co-op) l4d_river03_port | NIETO | Advanced | 8.65 minutes |
| (Co-op) l4d_river03_port | NIETO | Normal | 6.75 minutes |
| (Co-op) l4d_river03_port | NIETO | Normal | 6.75 minutes |
| (Co-op) l4d_smalltown01_caves | NIETO | Expert | 14.61 seconds |
| (Co-op) l4d_smalltown01_caves | NIETO | Advanced | 12.73 seconds |
| (Co-op) l4d_smalltown01_caves | NIETO | Normal | 14.50 seconds |
| (Co-op) l4d_smalltown02_drainage | NIETO | Expert | 6.59 minutes |
| (Co-op) l4d_smalltown02_drainage | NIETO | Advanced | 4.35 minutes |
| (Co-op) l4d_smalltown02_drainage | NIETO | Normal | 5.03 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | NIETO | Expert | 6.60 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | NIETO | Advanced | 5.26 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | NIETO | Normal | 5.29 minutes |
| (Co-op) l4d_smalltown04_mainstreet | NIETO | Expert | 6.55 minutes |
| (Co-op) l4d_smalltown04_mainstreet | NIETO | Advanced | 5.74 minutes |
| (Co-op) l4d_smalltown04_mainstreet | NIETO | Normal | 23.14 seconds |
| (Co-op) l4d_smalltown05_houseboat | NIETO | Expert | 9.98 minutes |
| (Co-op) l4d_smalltown05_houseboat | NIETO | Advanced | 8.07 minutes |
| (Co-op) l4d_smalltown05_houseboat | NIETO | Normal | 8.85 minutes |