| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Infected | Expert | 2.77 minutes |
| (Co-op) l4d_airport01_greenhouse | Infected | Advanced | 4.60 minutes |
| (Co-op) l4d_airport02_offices | Infected | Expert | 8.67 minutes |
| (Co-op) l4d_airport02_offices | Infected | Advanced | 16.31 minutes |
| (Co-op) l4d_airport03_garage | Infected | Expert | 8.67 minutes |
| (Co-op) l4d_airport03_garage | Infected | Advanced | 13.83 minutes |
| (Co-op) l4d_airport04_terminal | Infected | Expert | 5.89 minutes |
| (Co-op) l4d_airport04_terminal | Infected | Advanced | 11.85 minutes |
| (Co-op) l4d_airport05_runway | Infected | Expert | 7.60 minutes |
| (Co-op) l4d_airport05_runway | Infected | Advanced | 11.86 minutes |
| (Co-op) l4d_farm01_hilltop | Infected | Expert | 40.19 seconds |
| (Co-op) l4d_farm02_traintunnel | Infected | Expert | 6.06 minutes |
| (Co-op) l4d_farm03_bridge | Infected | Expert | 7.76 minutes |
| (Co-op) l4d_farm04_barn | Infected | Expert | 5.25 minutes |
| (Co-op) l4d_farm05_cornfield | Infected | Expert | 10.47 minutes |
| (Co-op) l4d_garage01_alleys | Infected | Expert | 11.72 minutes |
| (Co-op) l4d_garage02_lots | Infected | Expert | 12.40 minutes |
| (Co-op) l4d_garage02_lots | Infected | Advanced | 13.82 minutes |
| (Co-op) l4d_hospital01_apartment | Infected | Expert | 22.49 seconds |
| (Co-op) l4d_hospital01_apartment | Infected | Advanced | 3.07 minutes |
| (Co-op) l4d_hospital01_apartment | Infected | Normal | 1.41 minutes |
| (Co-op) l4d_hospital02_subway | Infected | Expert | 8.58 minutes |
| (Co-op) l4d_hospital02_subway | Infected | Advanced | 13.78 minutes |
| (Co-op) l4d_hospital03_sewers | Infected | Expert | 7.49 minutes |
| (Co-op) l4d_hospital04_interior | Infected | Expert | 7.35 minutes |
| (Co-op) l4d_hospital05_rooftop | Infected | Expert | 9.36 minutes |
| (Co-op) l4d_river01_docks | Infected | Expert | 25.84 seconds |
| (Co-op) l4d_river01_docks | Infected | Expert | 25.84 seconds |
| (Co-op) l4d_river02_barge | Infected | Expert | 9.36 minutes |
| (Co-op) l4d_river02_barge | Infected | Expert | 9.36 minutes |
| (Co-op) l4d_river02_barge | Infected | Advanced | 15.66 minutes |
| (Co-op) l4d_river02_barge | Infected | Advanced | 15.66 minutes |
| (Co-op) l4d_river03_port | Infected | Expert | 8.09 minutes |
| (Co-op) l4d_river03_port | Infected | Expert | 8.09 minutes |
| (Co-op) l4d_river03_port | Infected | Advanced | 10.77 minutes |
| (Co-op) l4d_river03_port | Infected | Advanced | 10.77 minutes |
| (Co-op) l4d_smalltown01_caves | Infected | Expert | 44.10 seconds |
| (Co-op) l4d_smalltown02_drainage | Infected | Expert | 3.95 minutes |
| (Co-op) l4d_smalltown02_drainage | Infected | Advanced | 9.90 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Infected | Expert | 6.79 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Infected | Expert | 6.60 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Infected | Normal | 9.43 minutes |
| (Co-op) l4d_smalltown05_houseboat | Infected | Expert | 9.38 minutes |