| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | LøsT | Expert | 1.20 minutes |
| (Co-op) l4d_airport01_greenhouse | LøsT | Advanced | 3.98 minutes |
| (Co-op) l4d_airport01_greenhouse | LøsT | Normal | 2.44 minutes |
| (Co-op) l4d_airport02_offices | LøsT | Expert | 8.12 minutes |
| (Co-op) l4d_airport02_offices | LøsT | Advanced | 7.25 minutes |
| (Co-op) l4d_airport02_offices | LøsT | Normal | 45.37 seconds |
| (Co-op) l4d_airport03_garage | LøsT | Expert | 8.84 minutes |
| (Co-op) l4d_airport03_garage | LøsT | Advanced | 7.42 minutes |
| (Co-op) l4d_airport03_garage | LøsT | Normal | 9.58 minutes |
| (Co-op) l4d_airport04_terminal | LøsT | Expert | 5.29 minutes |
| (Co-op) l4d_airport04_terminal | LøsT | Advanced | 6.05 minutes |
| (Co-op) l4d_airport04_terminal | LøsT | Normal | 7.58 minutes |
| (Co-op) l4d_airport05_runway | LøsT | Expert | 7.95 minutes |
| (Co-op) l4d_airport05_runway | LøsT | Advanced | 7.39 minutes |
| (Co-op) l4d_airport05_runway | LøsT | Normal | 7.59 minutes |
| (Co-op) l4d_farm01_hilltop | LøsT | Expert | 3.69 minutes |
| (Co-op) l4d_farm01_hilltop | LøsT | Advanced | 3.18 minutes |
| (Co-op) l4d_farm01_hilltop | LøsT | Normal | 11.25 seconds |
| (Co-op) l4d_farm02_traintunnel | LøsT | Expert | 5.34 minutes |
| (Co-op) l4d_farm02_traintunnel | LøsT | Advanced | 45.51 seconds |
| (Co-op) l4d_farm03_bridge | LøsT | Expert | 6.65 minutes |
| (Co-op) l4d_farm03_bridge | LøsT | Advanced | 5.45 minutes |
| (Co-op) l4d_farm04_barn | LøsT | Expert | 3.79 minutes |
| (Co-op) l4d_farm04_barn | LøsT | Advanced | 2.56 minutes |
| (Co-op) l4d_farm05_cornfield | LøsT | Expert | 7.37 minutes |
| (Co-op) l4d_farm05_cornfield | LøsT | Advanced | 10.09 minutes |
| (Co-op) l4d_garage01_alleys | LøsT | Expert | 31.34 seconds |
| (Co-op) l4d_garage01_alleys | LøsT | Advanced | 10.42 minutes |
| (Co-op) l4d_garage02_lots | LøsT | Expert | 10.00 minutes |
| (Co-op) l4d_garage02_lots | LøsT | Advanced | 17.39 minutes |
| (Co-op) l4d_hospital01_apartment | LøsT | Expert | 2.34 minutes |
| (Co-op) l4d_hospital01_apartment | LøsT | Advanced | 3.18 minutes |
| (Co-op) l4d_hospital01_apartment | LøsT | Normal | 3.64 minutes |
| (Co-op) l4d_hospital02_subway | LøsT | Expert | 8.21 minutes |
| (Co-op) l4d_hospital02_subway | LøsT | Advanced | 12.37 minutes |
| (Co-op) l4d_hospital02_subway | LøsT | Normal | 10.47 minutes |
| (Co-op) l4d_hospital03_sewers | LøsT | Expert | 7.91 minutes |
| (Co-op) l4d_hospital03_sewers | LøsT | Advanced | 5.91 minutes |
| (Co-op) l4d_hospital03_sewers | LøsT | Normal | 7.30 minutes |
| (Co-op) l4d_hospital04_interior | LøsT | Expert | 6.34 minutes |
| (Co-op) l4d_hospital04_interior | LøsT | Advanced | 5.12 minutes |
| (Co-op) l4d_hospital04_interior | LøsT | Normal | 5.02 minutes |
| (Co-op) l4d_hospital05_rooftop | LøsT | Expert | 6.66 minutes |
| (Co-op) l4d_hospital05_rooftop | LøsT | Advanced | 9.67 minutes |
| (Co-op) l4d_hospital05_rooftop | LøsT | Normal | 10.49 minutes |
| (Co-op) l4d_river01_docks | LøsT | Expert | 45.80 seconds |
| (Co-op) l4d_river01_docks | LøsT | Expert | 45.80 seconds |
| (Co-op) l4d_river01_docks | LøsT | Advanced | 8.84 minutes |
| (Co-op) l4d_river01_docks | LøsT | Advanced | 8.84 minutes |
| (Co-op) l4d_river01_docks | LøsT | Normal | 5.08 seconds |
| (Co-op) l4d_river01_docks | LøsT | Normal | 5.08 seconds |
| (Co-op) l4d_river02_barge | LøsT | Expert | 9.42 minutes |
| (Co-op) l4d_river02_barge | LøsT | Expert | 9.42 minutes |
| (Co-op) l4d_river02_barge | LøsT | Advanced | 9.32 minutes |
| (Co-op) l4d_river02_barge | LøsT | Advanced | 9.32 minutes |
| (Co-op) l4d_river02_barge | LøsT | Normal | 10.98 seconds |
| (Co-op) l4d_river02_barge | LøsT | Normal | 10.98 seconds |
| (Co-op) l4d_river03_port | LøsT | Expert | 7.41 minutes |
| (Co-op) l4d_river03_port | LøsT | Expert | 7.41 minutes |
| (Co-op) l4d_river03_port | LøsT | Advanced | 9.07 minutes |
| (Co-op) l4d_river03_port | LøsT | Advanced | 9.07 minutes |
| (Co-op) l4d_river03_port | LøsT | Normal | 10.03 minutes |
| (Co-op) l4d_river03_port | LøsT | Normal | 10.03 minutes |
| (Co-op) l4d_smalltown01_caves | LøsT | Expert | 14.61 seconds |
| (Co-op) l4d_smalltown01_caves | LøsT | Advanced | 9.77 seconds |
| (Co-op) l4d_smalltown01_caves | LøsT | Normal | 11.92 seconds |
| (Co-op) l4d_smalltown02_drainage | LøsT | Expert | 4.00 minutes |
| (Co-op) l4d_smalltown02_drainage | LøsT | Advanced | 28.02 seconds |
| (Co-op) l4d_smalltown02_drainage | LøsT | Normal | 6.53 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | LøsT | Expert | 6.47 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | LøsT | Advanced | 7.91 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | LøsT | Normal | 7.75 minutes |
| (Co-op) l4d_smalltown04_mainstreet | LøsT | Expert | 6.82 minutes |
| (Co-op) l4d_smalltown04_mainstreet | LøsT | Advanced | 37.41 seconds |
| (Co-op) l4d_smalltown04_mainstreet | LøsT | Normal | 13.22 minutes |
| (Co-op) l4d_smalltown05_houseboat | LøsT | Expert | 9.98 minutes |
| (Co-op) l4d_smalltown05_houseboat | LøsT | Advanced | 11.41 minutes |
| (Co-op) l4d_vs_hospital03_sewers | LøsT | Advanced | 9.93 minutes |
| (Co-op) l4d_vs_hospital03_sewers | LøsT | Advanced | 9.93 minutes |