| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | NIETO | Expert | 3.13 minutes |
| (Co-op) l4d_airport01_greenhouse | NIETO | Advanced | 2.35 minutes |
| (Co-op) l4d_airport01_greenhouse | NIETO | Normal | 2.65 minutes |
| (Co-op) l4d_airport02_offices | NIETO | Expert | 9.00 minutes |
| (Co-op) l4d_airport02_offices | NIETO | Advanced | 7.40 minutes |
| (Co-op) l4d_airport02_offices | NIETO | Normal | 1.07 minutes |
| (Co-op) l4d_airport03_garage | NIETO | Expert | 8.55 minutes |
| (Co-op) l4d_airport03_garage | NIETO | Advanced | 7.99 minutes |
| (Co-op) l4d_airport03_garage | NIETO | Normal | 8.18 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Expert | 7.53 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Advanced | 7.79 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Normal | 5.93 minutes |
| (Co-op) l4d_airport05_runway | NIETO | Expert | 8.53 minutes |
| (Co-op) l4d_airport05_runway | NIETO | Advanced | 8.82 minutes |
| (Co-op) l4d_airport05_runway | NIETO | Normal | 6.35 minutes |
| (Co-op) l4d_city17_04 | NIETO | Expert | 43.82 seconds |
| (Co-op) l4d_city17_04 | NIETO | Expert | 43.82 seconds |
| (Co-op) l4d_city17_04 | NIETO | Advanced | 10.56 minutes |
| (Co-op) l4d_city17_04 | NIETO | Advanced | 10.56 minutes |
| (Co-op) l4d_city17_05 | NIETO | Expert | 11.71 minutes |
| (Co-op) l4d_city17_05 | NIETO | Expert | 11.71 minutes |
| (Co-op) l4d_city17_05 | NIETO | Advanced | 9.29 minutes |
| (Co-op) l4d_city17_05 | NIETO | Advanced | 9.29 minutes |
| (Co-op) l4d_farm01_hilltop | NIETO | Expert | 3.90 minutes |
| (Co-op) l4d_farm01_hilltop | NIETO | Advanced | 3.38 minutes |
| (Co-op) l4d_farm01_hilltop | NIETO | Normal | 3.16 minutes |
| (Co-op) l4d_farm02_traintunnel | NIETO | Expert | 8.26 minutes |
| (Co-op) l4d_farm02_traintunnel | NIETO | Advanced | 7.77 minutes |
| (Co-op) l4d_farm02_traintunnel | NIETO | Normal | 10.01 minutes |
| (Co-op) l4d_farm03_bridge | NIETO | Expert | 8.35 minutes |
| (Co-op) l4d_farm03_bridge | NIETO | Advanced | 8.16 minutes |
| (Co-op) l4d_farm04_barn | NIETO | Expert | 4.13 minutes |
| (Co-op) l4d_farm04_barn | NIETO | Advanced | 8.68 minutes |
| (Co-op) l4d_farm04_barn | NIETO | Normal | 4.19 minutes |
| (Co-op) l4d_farm05_cornfield | NIETO | Expert | 9.21 minutes |
| (Co-op) l4d_farm05_cornfield | NIETO | Advanced | 10.51 minutes |
| (Co-op) l4d_farm05_cornfield | NIETO | Normal | 8.75 minutes |
| (Co-op) l4d_garage01_alleys | NIETO | Advanced | 14.87 minutes |
| (Co-op) l4d_garage01_alleys | NIETO | Normal | 9.13 seconds |
| (Co-op) l4d_garage02_lots | NIETO | Expert | 10.33 minutes |
| (Co-op) l4d_garage02_lots | NIETO | Advanced | 19.45 minutes |
| (Co-op) l4d_garage02_lots | NIETO | Normal | 16.29 minutes |
| (Co-op) l4d_hospital01_apartment | NIETO | Advanced | 2.75 minutes |
| (Co-op) l4d_hospital01_apartment | NIETO | Normal | 2.75 minutes |
| (Co-op) l4d_hospital02_subway | NIETO | Advanced | 7.73 minutes |
| (Co-op) l4d_hospital02_subway | NIETO | Normal | 8.28 minutes |
| (Co-op) l4d_hospital03_sewers | NIETO | Expert | 11.10 minutes |
| (Co-op) l4d_hospital03_sewers | NIETO | Advanced | 6.99 minutes |
| (Co-op) l4d_hospital03_sewers | NIETO | Normal | 6.72 minutes |
| (Co-op) l4d_hospital04_interior | NIETO | Expert | 6.80 minutes |
| (Co-op) l4d_hospital04_interior | NIETO | Advanced | 6.19 minutes |
| (Co-op) l4d_hospital04_interior | NIETO | Normal | 6.92 minutes |
| (Co-op) l4d_hospital05_rooftop | NIETO | Expert | 9.96 minutes |
| (Co-op) l4d_hospital05_rooftop | NIETO | Advanced | 6.57 minutes |
| (Co-op) l4d_river01_docks | NIETO | Expert | 9.18 minutes |
| (Co-op) l4d_river01_docks | NIETO | Expert | 9.18 minutes |
| (Co-op) l4d_river01_docks | NIETO | Advanced | 19.27 seconds |
| (Co-op) l4d_river01_docks | NIETO | Advanced | 19.27 seconds |
| (Co-op) l4d_river02_barge | NIETO | Expert | 9.48 minutes |
| (Co-op) l4d_river02_barge | NIETO | Expert | 9.48 minutes |
| (Co-op) l4d_river02_barge | NIETO | Advanced | 10.19 minutes |
| (Co-op) l4d_river02_barge | NIETO | Advanced | 10.19 minutes |
| (Co-op) l4d_river02_barge | NIETO | Normal | 8.58 minutes |
| (Co-op) l4d_river02_barge | NIETO | Normal | 8.58 minutes |
| (Co-op) l4d_river03_port | NIETO | Expert | 7.43 minutes |
| (Co-op) l4d_river03_port | NIETO | Expert | 7.43 minutes |
| (Co-op) l4d_river03_port | NIETO | Advanced | 5.81 minutes |
| (Co-op) l4d_river03_port | NIETO | Advanced | 5.81 minutes |
| (Co-op) l4d_river03_port | NIETO | Normal | 10.78 minutes |
| (Co-op) l4d_river03_port | NIETO | Normal | 10.78 minutes |
| (Co-op) l4d_smalltown01_caves | NIETO | Expert | 4.25 minutes |
| (Co-op) l4d_smalltown01_caves | NIETO | Advanced | 4.64 minutes |
| (Co-op) l4d_smalltown01_caves | NIETO | Normal | 10.31 seconds |
| (Co-op) l4d_smalltown02_drainage | NIETO | Expert | 5.80 minutes |
| (Co-op) l4d_smalltown02_drainage | NIETO | Advanced | 26.45 seconds |
| (Co-op) l4d_smalltown02_drainage | NIETO | Normal | 4.03 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | NIETO | Expert | 6.83 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | NIETO | Advanced | 7.87 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | NIETO | Normal | 5.67 minutes |
| (Co-op) l4d_smalltown04_mainstreet | NIETO | Expert | 6.37 minutes |
| (Co-op) l4d_smalltown04_mainstreet | NIETO | Advanced | 7.94 minutes |
| (Co-op) l4d_smalltown04_mainstreet | NIETO | Normal | 7.42 minutes |
| (Co-op) l4d_smalltown05_houseboat | NIETO | Expert | 10.71 minutes |
| (Co-op) l4d_smalltown05_houseboat | NIETO | Advanced | 9.25 minutes |
| (Co-op) l4d_smalltown05_houseboat | NIETO | Normal | 11.78 minutes |