| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Morphine | Advanced | 3.67 minutes |
| (Co-op) l4d_airport02_offices | Morphine | Advanced | 7.83 minutes |
| (Co-op) l4d_airport03_garage | Morphine | Advanced | 8.69 minutes |
| (Co-op) l4d_airport04_terminal | Morphine | Advanced | 5.37 minutes |
| (Co-op) l4d_airport05_runway | Morphine | Advanced | 6.82 minutes |
| (Co-op) l4d_farm01_hilltop | Morphine | Advanced | 4.02 minutes |
| (Co-op) l4d_farm02_traintunnel | Morphine | Expert | 9.26 minutes |
| (Co-op) l4d_farm02_traintunnel | Morphine | Advanced | 4.97 minutes |
| (Co-op) l4d_farm03_bridge | Morphine | Expert | 8.53 minutes |
| (Co-op) l4d_farm03_bridge | Morphine | Advanced | 8.50 minutes |
| (Co-op) l4d_farm04_barn | Morphine | Expert | 4.43 minutes |
| (Co-op) l4d_farm04_barn | Morphine | Advanced | 5.54 minutes |
| (Co-op) l4d_farm05_cornfield | Morphine | Expert | 29.31 minutes |
| (Co-op) l4d_farm05_cornfield | Morphine | Advanced | 8.83 minutes |
| (Co-op) l4d_garage01_alleys | Morphine | Advanced | 10.95 minutes |
| (Co-op) l4d_garage02_lots | Morphine | Advanced | 11.29 minutes |
| (Co-op) l4d_hospital01_apartment | Morphine | Advanced | 3.40 minutes |
| (Co-op) l4d_hospital02_subway | Morphine | Advanced | 6.41 minutes |
| (Co-op) l4d_hospital03_sewers | Morphine | Advanced | 7.31 minutes |
| (Co-op) l4d_hospital04_interior | Morphine | Advanced | 5.94 minutes |
| (Co-op) l4d_hospital05_rooftop | Morphine | Advanced | 6.51 minutes |
| (Co-op) l4d_river01_docks | Morphine | Advanced | 13.89 minutes |
| (Co-op) l4d_river01_docks | Morphine | Advanced | 13.89 minutes |
| (Co-op) l4d_river01_docks | Morphine | Normal | 39.97 seconds |
| (Co-op) l4d_river01_docks | Morphine | Normal | 39.97 seconds |
| (Co-op) l4d_river02_barge | Morphine | Advanced | 16.69 minutes |
| (Co-op) l4d_river02_barge | Morphine | Advanced | 16.69 minutes |
| (Co-op) l4d_river03_port | Morphine | Expert | 9.25 minutes |
| (Co-op) l4d_river03_port | Morphine | Expert | 9.25 minutes |
| (Co-op) l4d_river03_port | Morphine | Advanced | 15.55 minutes |
| (Co-op) l4d_river03_port | Morphine | Advanced | 15.55 minutes |
| (Co-op) l4d_smalltown01_caves | Morphine | Expert | 5.48 minutes |
| (Co-op) l4d_smalltown01_caves | Morphine | Advanced | 4.68 minutes |
| (Co-op) l4d_smalltown02_drainage | Morphine | Expert | 11.14 minutes |
| (Co-op) l4d_smalltown02_drainage | Morphine | Advanced | 5.26 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Morphine | Expert | 9.15 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Morphine | Advanced | 5.43 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Morphine | Expert | 8.56 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Morphine | Advanced | 7.29 minutes |
| (Co-op) l4d_smalltown05_houseboat | Morphine | Expert | 12.20 minutes |
| (Co-op) l4d_smalltown05_houseboat | Morphine | Advanced | 14.32 minutes |