| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | ? | Advanced | 4.15 minutes |
| (Co-op) l4d_airport02_offices | ? | Advanced | 7.78 minutes |
| (Co-op) l4d_airport03_garage | ? | Advanced | 1.47 minutes |
| (Co-op) l4d_airport03_garage | ? | Normal | 8.52 minutes |
| (Co-op) l4d_airport04_terminal | ? | Advanced | 3.69 minutes |
| (Co-op) l4d_airport04_terminal | ? | Normal | 3.95 minutes |
| (Co-op) l4d_airport05_runway | ? | Advanced | 6.64 minutes |
| (Co-op) l4d_airport05_runway | ? | Normal | 6.66 minutes |
| (Co-op) l4d_farm01_hilltop | ? | Expert | 5.89 minutes |
| (Co-op) l4d_farm01_hilltop | ? | Advanced | 3.83 minutes |
| (Co-op) l4d_farm02_traintunnel | ? | Expert | 7.07 minutes |
| (Co-op) l4d_farm02_traintunnel | ? | Advanced | 5.14 minutes |
| (Co-op) l4d_farm02_traintunnel | ? | Normal | 5.77 minutes |
| (Co-op) l4d_farm03_bridge | ? | Advanced | 6.12 minutes |
| (Co-op) l4d_farm03_bridge | ? | Normal | 5.39 minutes |
| (Co-op) l4d_farm04_barn | ? | Advanced | 3.61 minutes |
| (Co-op) l4d_farm04_barn | ? | Normal | 3.73 minutes |
| (Co-op) l4d_farm05_cornfield | ? | Advanced | 7.73 minutes |
| (Co-op) l4d_farm05_cornfield | ? | Normal | 8.78 minutes |
| (Co-op) l4d_garage01_alleys | ? | Expert | 16.77 minutes |
| (Co-op) l4d_garage01_alleys | ? | Advanced | 9.36 minutes |
| (Co-op) l4d_garage01_alleys | ? | Normal | 36.41 seconds |
| (Co-op) l4d_garage02_lots | ? | Advanced | 15.35 minutes |
| (Co-op) l4d_garage02_lots | ? | Normal | 11.26 minutes |
| (Co-op) l4d_hospital01_apartment | ? | Expert | 4.64 minutes |
| (Co-op) l4d_hospital01_apartment | ? | Advanced | 3.15 minutes |
| (Co-op) l4d_hospital01_apartment | ? | Normal | 2.72 minutes |
| (Co-op) l4d_hospital02_subway | ? | Expert | 9.29 minutes |
| (Co-op) l4d_hospital02_subway | ? | Advanced | 1.03 minutes |
| (Co-op) l4d_hospital02_subway | ? | Normal | 1.06 minutes |
| (Co-op) l4d_hospital03_sewers | ? | Expert | 10.94 minutes |
| (Co-op) l4d_hospital03_sewers | ? | Advanced | 6.41 minutes |
| (Co-op) l4d_hospital03_sewers | ? | Normal | 8.36 minutes |
| (Co-op) l4d_hospital04_interior | ? | Advanced | 5.57 minutes |
| (Co-op) l4d_hospital04_interior | ? | Normal | 4.86 minutes |
| (Co-op) l4d_hospital05_rooftop | ? | Advanced | 7.64 minutes |
| (Co-op) l4d_hospital05_rooftop | ? | Normal | 7.59 minutes |
| (Co-op) l4d_river01_docks | ? | Expert | 8.35 minutes |
| (Co-op) l4d_river01_docks | ? | Expert | 8.35 minutes |
| (Co-op) l4d_river01_docks | ? | Advanced | 2.18 minutes |
| (Co-op) l4d_river01_docks | ? | Advanced | 2.18 minutes |
| (Co-op) l4d_river01_docks | ? | Normal | 2.71 seconds |
| (Co-op) l4d_river01_docks | ? | Normal | 2.71 seconds |
| (Co-op) l4d_river02_barge | ? | Expert | 10.25 minutes |
| (Co-op) l4d_river02_barge | ? | Expert | 10.25 minutes |
| (Co-op) l4d_river02_barge | ? | Advanced | 11.59 minutes |
| (Co-op) l4d_river02_barge | ? | Advanced | 11.59 minutes |
| (Co-op) l4d_river02_barge | ? | Normal | 10.83 minutes |
| (Co-op) l4d_river02_barge | ? | Normal | 10.83 minutes |
| (Co-op) l4d_river03_port | ? | Advanced | 10.08 minutes |
| (Co-op) l4d_river03_port | ? | Advanced | 10.08 minutes |
| (Co-op) l4d_river03_port | ? | Normal | 10.16 minutes |
| (Co-op) l4d_river03_port | ? | Normal | 10.16 minutes |
| (Co-op) l4d_smalltown01_caves | ? | Expert | 12.47 seconds |
| (Co-op) l4d_smalltown01_caves | ? | Advanced | 5.23 minutes |
| (Co-op) l4d_smalltown01_caves | ? | Normal | 35.49 seconds |
| (Co-op) l4d_smalltown02_drainage | ? | Expert | 6.08 minutes |
| (Co-op) l4d_smalltown02_drainage | ? | Advanced | 6.34 minutes |
| (Co-op) l4d_smalltown02_drainage | ? | Normal | 6.51 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | ? | Expert | 5.98 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | ? | Advanced | 5.55 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | ? | Normal | 4.88 minutes |
| (Co-op) l4d_smalltown04_mainstreet | ? | Expert | 5.51 minutes |
| (Co-op) l4d_smalltown04_mainstreet | ? | Advanced | 4.32 minutes |
| (Co-op) l4d_smalltown04_mainstreet | ? | Normal | 8.56 minutes |
| (Co-op) l4d_smalltown05_houseboat | ? | Expert | 8.61 minutes |
| (Co-op) l4d_smalltown05_houseboat | ? | Advanced | 10.31 minutes |
| (Co-op) l4d_smalltown05_houseboat | ? | Normal | 9.15 minutes |