| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | Rom | Advanced | 9.52 minutes |
| (Co-op) l4d_airport03_garage | Rom | Advanced | 8.96 minutes |
| (Co-op) l4d_airport04_terminal | Rom | Expert | 6.26 minutes |
| (Co-op) l4d_airport04_terminal | Rom | Advanced | 7.05 minutes |
| (Co-op) l4d_airport05_runway | Rom | Expert | 7.05 minutes |
| (Co-op) l4d_airport05_runway | Rom | Advanced | 7.37 minutes |
| (Co-op) l4d_farm01_hilltop | Rom | Expert | 10.69 seconds |
| (Co-op) l4d_farm02_traintunnel | Rom | Expert | 6.94 minutes |
| (Co-op) l4d_farm03_bridge | Rom | Expert | 6.70 minutes |
| (Co-op) l4d_farm04_barn | Rom | Expert | 5.00 minutes |
| (Co-op) l4d_farm05_cornfield | Rom | Expert | 9.73 minutes |
| (Co-op) l4d_garage01_alleys | Rom | Expert | 7.36 minutes |
| (Co-op) l4d_garage01_alleys | Rom | Advanced | 23.77 seconds |
| (Co-op) l4d_garage01_alleys | Rom | Normal | 5.70 seconds |
| (Co-op) l4d_garage02_lots | Rom | Expert | 11.27 minutes |
| (Co-op) l4d_garage02_lots | Rom | Advanced | 18.13 minutes |
| (Co-op) l4d_garage02_lots | Rom | Normal | 14.45 minutes |
| (Co-op) l4d_hospital01_apartment | Rom | Expert | 2.72 minutes |
| (Co-op) l4d_hospital01_apartment | Rom | Advanced | 2.35 seconds |
| (Co-op) l4d_hospital01_apartment | Rom | Normal | 3.01 minutes |
| (Co-op) l4d_hospital02_subway | Rom | Expert | 7.48 minutes |
| (Co-op) l4d_hospital02_subway | Rom | Advanced | 14.51 minutes |
| (Co-op) l4d_hospital03_sewers | Rom | Expert | 7.13 minutes |
| (Co-op) l4d_hospital04_interior | Rom | Expert | 8.41 minutes |
| (Co-op) l4d_hospital04_interior | Rom | Advanced | 9.31 minutes |
| (Co-op) l4d_hospital05_rooftop | Rom | Expert | 15.39 minutes |
| (Co-op) l4d_hospital05_rooftop | Rom | Advanced | 8.18 minutes |
| (Co-op) l4d_river01_docks | Rom | Expert | 45.81 seconds |
| (Co-op) l4d_river01_docks | Rom | Expert | 45.81 seconds |
| (Co-op) l4d_river02_barge | Rom | Expert | 12.30 minutes |
| (Co-op) l4d_river02_barge | Rom | Expert | 12.30 minutes |
| (Co-op) l4d_smalltown01_caves | Rom | Expert | 3.92 minutes |
| (Co-op) l4d_smalltown01_caves | Rom | Advanced | 4.15 minutes |
| (Co-op) l4d_smalltown02_drainage | Rom | Expert | 6.88 minutes |
| (Co-op) l4d_smalltown02_drainage | Rom | Advanced | 4.85 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Rom | Expert | 9.44 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Rom | Expert | 8.02 minutes |
| (Co-op) l4d_smalltown05_houseboat | Rom | Expert | 14.52 minutes |
| (Co-op) l4d_smalltown05_houseboat | Rom | Advanced | 9.86 minutes |