| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | NIETO | Expert | 3.02 minutes |
| (Co-op) l4d_airport01_greenhouse | NIETO | Advanced | 2.76 minutes |
| (Co-op) l4d_airport01_greenhouse | NIETO | Normal | 2.30 minutes |
| (Co-op) l4d_airport02_offices | NIETO | Expert | 11.05 minutes |
| (Co-op) l4d_airport02_offices | NIETO | Advanced | 11.40 minutes |
| (Co-op) l4d_airport02_offices | NIETO | Normal | 1.26 minutes |
| (Co-op) l4d_airport03_garage | NIETO | Expert | 10.20 minutes |
| (Co-op) l4d_airport03_garage | NIETO | Advanced | 8.67 minutes |
| (Co-op) l4d_airport03_garage | NIETO | Normal | 12.28 seconds |
| (Co-op) l4d_airport04_terminal | NIETO | Expert | 6.70 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Advanced | 1.37 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Normal | 5.38 minutes |
| (Co-op) l4d_airport05_runway | NIETO | Expert | 8.62 minutes |
| (Co-op) l4d_airport05_runway | NIETO | Advanced | 6.74 minutes |
| (Co-op) l4d_airport05_runway | NIETO | Normal | 6.38 minutes |
| (Co-op) l4d_city17_01 | NIETO | Normal | 1.05 minutes |
| (Co-op) l4d_city17_01 | NIETO | Normal | 1.05 minutes |
| (Co-op) l4d_city17_02 | NIETO | Normal | 11.81 minutes |
| (Co-op) l4d_city17_02 | NIETO | Normal | 11.81 minutes |
| (Co-op) l4d_city17_04 | NIETO | Advanced | 13.19 minutes |
| (Co-op) l4d_city17_04 | NIETO | Advanced | 13.19 minutes |
| (Co-op) l4d_city17_05 | NIETO | Advanced | 12.89 minutes |
| (Co-op) l4d_city17_05 | NIETO | Advanced | 12.89 minutes |
| (Co-op) l4d_farm01_hilltop | NIETO | Expert | 3.18 minutes |
| (Co-op) l4d_farm01_hilltop | NIETO | Advanced | 17.62 seconds |
| (Co-op) l4d_farm01_hilltop | NIETO | Normal | 2.93 minutes |
| (Co-op) l4d_farm02_traintunnel | NIETO | Expert | 3.63 minutes |
| (Co-op) l4d_farm02_traintunnel | NIETO | Advanced | 4.08 minutes |
| (Co-op) l4d_farm02_traintunnel | NIETO | Normal | 5.70 minutes |
| (Co-op) l4d_farm03_bridge | NIETO | Expert | 7.23 minutes |
| (Co-op) l4d_farm03_bridge | NIETO | Advanced | 6.80 minutes |
| (Co-op) l4d_farm03_bridge | NIETO | Normal | 5.96 minutes |
| (Co-op) l4d_farm04_barn | NIETO | Expert | 4.83 minutes |
| (Co-op) l4d_farm04_barn | NIETO | Advanced | 5.11 minutes |
| (Co-op) l4d_farm04_barn | NIETO | Normal | 3.05 minutes |
| (Co-op) l4d_farm05_cornfield | NIETO | Expert | 12.65 minutes |
| (Co-op) l4d_farm05_cornfield | NIETO | Advanced | 10.31 minutes |
| (Co-op) l4d_farm05_cornfield | NIETO | Normal | 8.68 minutes |
| (Co-op) l4d_garage01_alleys | NIETO | Expert | 1.24 minutes |
| (Co-op) l4d_garage01_alleys | NIETO | Advanced | 36.06 seconds |
| (Co-op) l4d_garage02_lots | NIETO | Expert | 12.89 minutes |
| (Co-op) l4d_garage02_lots | NIETO | Advanced | 14.24 minutes |
| (Co-op) l4d_hospital01_apartment | NIETO | Expert | 3.73 minutes |
| (Co-op) l4d_hospital01_apartment | NIETO | Advanced | 2.90 minutes |
| (Co-op) l4d_hospital01_apartment | NIETO | Normal | 6.72 minutes |
| (Co-op) l4d_hospital02_subway | NIETO | Expert | 9.81 minutes |
| (Co-op) l4d_hospital02_subway | NIETO | Advanced | 10.15 minutes |
| (Co-op) l4d_hospital02_subway | NIETO | Normal | 8.59 minutes |
| (Co-op) l4d_hospital03_sewers | NIETO | Expert | 11.51 minutes |
| (Co-op) l4d_hospital03_sewers | NIETO | Advanced | 8.91 minutes |
| (Co-op) l4d_hospital03_sewers | NIETO | Normal | 39.66 seconds |
| (Co-op) l4d_hospital04_interior | NIETO | Expert | 5.32 minutes |
| (Co-op) l4d_hospital04_interior | NIETO | Advanced | 6.75 minutes |
| (Co-op) l4d_hospital04_interior | NIETO | Normal | 5.99 minutes |
| (Co-op) l4d_hospital05_rooftop | NIETO | Expert | 7.86 minutes |
| (Co-op) l4d_hospital05_rooftop | NIETO | Advanced | 10.07 minutes |
| (Co-op) l4d_hospital05_rooftop | NIETO | Normal | 7.81 minutes |
| (Co-op) l4d_river01_docks | NIETO | Advanced | 9.33 minutes |
| (Co-op) l4d_river01_docks | NIETO | Advanced | 9.33 minutes |
| (Co-op) l4d_river01_docks | NIETO | Normal | 2.32 seconds |
| (Co-op) l4d_river01_docks | NIETO | Normal | 2.32 seconds |
| (Co-op) l4d_river02_barge | NIETO | Expert | 11.87 minutes |
| (Co-op) l4d_river02_barge | NIETO | Expert | 11.87 minutes |
| (Co-op) l4d_river02_barge | NIETO | Advanced | 10.83 minutes |
| (Co-op) l4d_river02_barge | NIETO | Advanced | 10.83 minutes |
| (Co-op) l4d_river02_barge | NIETO | Normal | 11.04 minutes |
| (Co-op) l4d_river02_barge | NIETO | Normal | 11.04 minutes |
| (Co-op) l4d_river03_port | NIETO | Expert | 10.23 minutes |
| (Co-op) l4d_river03_port | NIETO | Expert | 10.23 minutes |
| (Co-op) l4d_river03_port | NIETO | Advanced | 13.07 minutes |
| (Co-op) l4d_river03_port | NIETO | Advanced | 13.07 minutes |
| (Co-op) l4d_river03_port | NIETO | Normal | 10.72 minutes |
| (Co-op) l4d_river03_port | NIETO | Normal | 10.72 minutes |
| (Co-op) l4d_smalltown01_caves | NIETO | Expert | 24.85 seconds |
| (Co-op) l4d_smalltown01_caves | NIETO | Advanced | 4.33 minutes |
| (Co-op) l4d_smalltown01_caves | NIETO | Normal | 6.22 minutes |
| (Co-op) l4d_smalltown02_drainage | NIETO | Expert | 5.50 minutes |
| (Co-op) l4d_smalltown02_drainage | NIETO | Advanced | 3.99 minutes |
| (Co-op) l4d_smalltown02_drainage | NIETO | Normal | 5.37 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | NIETO | Expert | 6.36 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | NIETO | Advanced | 4.82 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | NIETO | Normal | 5.70 minutes |
| (Co-op) l4d_smalltown04_mainstreet | NIETO | Expert | 7.17 minutes |
| (Co-op) l4d_smalltown04_mainstreet | NIETO | Advanced | 7.07 minutes |
| (Co-op) l4d_smalltown04_mainstreet | NIETO | Normal | 8.39 minutes |
| (Co-op) l4d_smalltown05_houseboat | NIETO | Expert | 11.82 minutes |
| (Co-op) l4d_smalltown05_houseboat | NIETO | Advanced | 8.91 minutes |
| (Co-op) l4d_smalltown05_houseboat | NIETO | Normal | 11.13 minutes |