| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Watson | Expert | 3.33 minutes |
| (Co-op) l4d_airport02_offices | Watson | Expert | 8.51 minutes |
| (Co-op) l4d_airport03_garage | Watson | Advanced | 11.78 minutes |
| (Co-op) l4d_airport04_terminal | Watson | Expert | 5.77 minutes |
| (Co-op) l4d_airport05_runway | Watson | Expert | 10.90 minutes |
| (Co-op) l4d_farm01_hilltop | Watson | Expert | 4.67 minutes |
| (Co-op) l4d_farm02_traintunnel | Watson | Expert | 11.02 minutes |
| (Co-op) l4d_farm03_bridge | Watson | Expert | 11.40 minutes |
| (Co-op) l4d_farm03_bridge | Watson | Advanced | 11.20 minutes |
| (Co-op) l4d_farm04_barn | Watson | Expert | 7.13 minutes |
| (Co-op) l4d_farm04_barn | Watson | Advanced | 12.55 minutes |
| (Co-op) l4d_farm05_cornfield | Watson | Expert | 13.18 minutes |
| (Co-op) l4d_garage01_alleys | Watson | Expert | 15.10 minutes |
| (Co-op) l4d_garage02_lots | Watson | Expert | 16.23 minutes |
| (Co-op) l4d_hospital01_apartment | Watson | Expert | 3.15 minutes |
| (Co-op) l4d_hospital02_subway | Watson | Expert | 9.69 minutes |
| (Co-op) l4d_hospital03_sewers | Watson | Expert | 9.94 minutes |
| (Co-op) l4d_hospital03_sewers | Watson | Advanced | 12.20 minutes |
| (Co-op) l4d_hospital04_interior | Watson | Expert | 7.79 minutes |
| (Co-op) l4d_hospital04_interior | Watson | Advanced | 12.42 minutes |
| (Co-op) l4d_hospital05_rooftop | Watson | Expert | 11.97 minutes |
| (Co-op) l4d_hospital05_rooftop | Watson | Advanced | 14.32 minutes |
| (Co-op) l4d_river01_docks | Watson | Expert | 10.94 minutes |
| (Co-op) l4d_river01_docks | Watson | Expert | 10.94 minutes |
| (Co-op) l4d_river01_docks | Watson | Advanced | 8.41 minutes |
| (Co-op) l4d_river01_docks | Watson | Advanced | 8.41 minutes |
| (Co-op) l4d_river02_barge | Watson | Expert | 11.28 minutes |
| (Co-op) l4d_river02_barge | Watson | Expert | 11.28 minutes |
| (Co-op) l4d_river03_port | Watson | Expert | 15.21 minutes |
| (Co-op) l4d_river03_port | Watson | Expert | 15.21 minutes |
| (Co-op) l4d_smalltown01_caves | Watson | Expert | 1.36 minutes |
| (Co-op) l4d_smalltown01_caves | Watson | Advanced | 5.06 minutes |
| (Co-op) l4d_smalltown02_drainage | Watson | Expert | 7.87 minutes |
| (Co-op) l4d_smalltown02_drainage | Watson | Advanced | 12.71 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Watson | Expert | 8.10 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Watson | Advanced | 9.89 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Watson | Expert | 10.45 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Watson | Advanced | 9.91 minutes |
| (Co-op) l4d_smalltown05_houseboat | Watson | Expert | 15.63 minutes |
| (Co-op) l4d_smalltown05_houseboat | Watson | Advanced | 11.83 minutes |