| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | ARK | Expert | 2.95 minutes |
| (Co-op) l4d_airport02_offices | ARK | Expert | 9.24 minutes |
| (Co-op) l4d_airport03_garage | ARK | Expert | 9.47 minutes |
| (Co-op) l4d_airport03_garage | ARK | Normal | 8.94 minutes |
| (Co-op) l4d_airport04_terminal | ARK | Expert | 6.98 minutes |
| (Co-op) l4d_airport04_terminal | ARK | Normal | 7.39 minutes |
| (Co-op) l4d_airport05_runway | ARK | Expert | 7.37 minutes |
| (Co-op) l4d_airport05_runway | ARK | Normal | 5.85 minutes |
| (Co-op) l4d_farm01_hilltop | ARK | Expert | 5.32 seconds |
| (Co-op) l4d_farm02_traintunnel | ARK | Expert | 5.28 minutes |
| (Co-op) l4d_farm03_bridge | ARK | Expert | 6.56 minutes |
| (Co-op) l4d_farm04_barn | ARK | Expert | 4.10 minutes |
| (Co-op) l4d_farm05_cornfield | ARK | Expert | 10.35 minutes |
| (Co-op) l4d_farm05_cornfield | ARK | Advanced | 11.78 minutes |
| (Co-op) l4d_garage01_alleys | ARK | Expert | 11.66 minutes |
| (Co-op) l4d_garage01_alleys | ARK | Advanced | 11.06 minutes |
| (Co-op) l4d_garage02_lots | ARK | Expert | 14.81 minutes |
| (Co-op) l4d_garage02_lots | ARK | Advanced | 13.48 minutes |
| (Co-op) l4d_hospital01_apartment | ARK | Expert | 2.71 minutes |
| (Co-op) l4d_hospital01_apartment | ARK | Advanced | 2.42 minutes |
| (Co-op) l4d_hospital02_subway | ARK | Expert | 9.08 minutes |
| (Co-op) l4d_hospital02_subway | ARK | Advanced | 7.75 minutes |
| (Co-op) l4d_hospital03_sewers | ARK | Expert | 6.79 minutes |
| (Co-op) l4d_hospital03_sewers | ARK | Advanced | 8.01 minutes |
| (Co-op) l4d_hospital04_interior | ARK | Expert | 5.62 minutes |
| (Co-op) l4d_hospital04_interior | ARK | Advanced | 7.87 minutes |
| (Co-op) l4d_hospital05_rooftop | ARK | Expert | 10.50 minutes |
| (Co-op) l4d_hospital05_rooftop | ARK | Advanced | 8.22 minutes |
| (Co-op) l4d_river01_docks | ARK | Expert | 36.46 seconds |
| (Co-op) l4d_river01_docks | ARK | Expert | 36.46 seconds |
| (Co-op) l4d_river01_docks | ARK | Normal | 19.78 minutes |
| (Co-op) l4d_river01_docks | ARK | Normal | 19.78 minutes |
| (Co-op) l4d_river02_barge | ARK | Expert | 9.43 minutes |
| (Co-op) l4d_river02_barge | ARK | Expert | 9.43 minutes |
| (Co-op) l4d_river03_port | ARK | Expert | 9.53 minutes |
| (Co-op) l4d_river03_port | ARK | Expert | 9.53 minutes |
| (Co-op) l4d_smalltown01_caves | ARK | Expert | 34.31 seconds |
| (Co-op) l4d_smalltown01_caves | ARK | Advanced | 3.83 minutes |
| (Co-op) l4d_smalltown02_drainage | ARK | Expert | 4.38 minutes |
| (Co-op) l4d_smalltown02_drainage | ARK | Advanced | 7.57 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | ARK | Expert | 5.98 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | ARK | Advanced | 10.62 minutes |
| (Co-op) l4d_smalltown04_mainstreet | ARK | Expert | 5.37 minutes |
| (Co-op) l4d_smalltown04_mainstreet | ARK | Advanced | 15.44 minutes |
| (Co-op) l4d_smalltown05_houseboat | ARK | Expert | 15.69 minutes |