| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | maybe | Expert | 1.71 minutes |
| (Co-op) l4d_airport02_offices | maybe | Expert | 8.33 minutes |
| (Co-op) l4d_airport03_garage | maybe | Expert | 8.04 minutes |
| (Co-op) l4d_airport04_terminal | maybe | Expert | 5.54 minutes |
| (Co-op) l4d_airport04_terminal | maybe | Advanced | 7.38 minutes |
| (Co-op) l4d_airport05_runway | maybe | Expert | 7.41 minutes |
| (Co-op) l4d_airport05_runway | maybe | Advanced | 10.10 minutes |
| (Co-op) l4d_city17_02 | maybe | Expert | 13.62 minutes |
| (Co-op) l4d_city17_02 | maybe | Expert | 13.62 minutes |
| (Co-op) l4d_city17_03 | maybe | Expert | 10.41 minutes |
| (Co-op) l4d_city17_03 | maybe | Expert | 10.41 minutes |
| (Co-op) l4d_city17_04 | maybe | Expert | 10.34 minutes |
| (Co-op) l4d_city17_04 | maybe | Expert | 10.34 minutes |
| (Co-op) l4d_city17_05 | maybe | Expert | 7.09 minutes |
| (Co-op) l4d_city17_05 | maybe | Expert | 7.09 minutes |
| (Co-op) l4d_farm01_hilltop | maybe | Expert | 2.87 minutes |
| (Co-op) l4d_farm01_hilltop | maybe | Advanced | 3.76 minutes |
| (Co-op) l4d_farm02_traintunnel | maybe | Expert | 5.25 minutes |
| (Co-op) l4d_farm03_bridge | maybe | Expert | 6.09 minutes |
| (Co-op) l4d_farm03_bridge | maybe | Advanced | 3.85 minutes |
| (Co-op) l4d_farm04_barn | maybe | Expert | 4.12 minutes |
| (Co-op) l4d_farm04_barn | maybe | Advanced | 3.54 minutes |
| (Co-op) l4d_farm05_cornfield | maybe | Expert | 8.81 minutes |
| (Co-op) l4d_farm05_cornfield | maybe | Advanced | 9.70 minutes |
| (Co-op) l4d_garage01_alleys | maybe | Expert | 12.12 minutes |
| (Co-op) l4d_garage02_lots | maybe | Expert | 9.56 minutes |
| (Co-op) l4d_garage02_lots | maybe | Advanced | 11.14 minutes |
| (Co-op) l4d_hospital01_apartment | maybe | Expert | 36.22 seconds |
| (Co-op) l4d_hospital02_subway | maybe | Expert | 7.52 minutes |
| (Co-op) l4d_hospital02_subway | maybe | Advanced | 6.45 minutes |
| (Co-op) l4d_hospital03_sewers | maybe | Expert | 7.95 minutes |
| (Co-op) l4d_hospital03_sewers | maybe | Advanced | 6.93 minutes |
| (Co-op) l4d_hospital04_interior | maybe | Expert | 5.80 minutes |
| (Co-op) l4d_hospital04_interior | maybe | Advanced | 6.32 minutes |
| (Co-op) l4d_hospital05_rooftop | maybe | Expert | 8.20 minutes |
| (Co-op) l4d_river01_docks | maybe | Expert | 7.77 seconds |
| (Co-op) l4d_river01_docks | maybe | Expert | 7.77 seconds |
| (Co-op) l4d_river02_barge | maybe | Expert | 7.99 minutes |
| (Co-op) l4d_river02_barge | maybe | Expert | 7.99 minutes |
| (Co-op) l4d_river03_port | maybe | Expert | 8.22 minutes |
| (Co-op) l4d_river03_port | maybe | Expert | 8.22 minutes |
| (Co-op) l4d_smalltown01_caves | maybe | Expert | 19.85 seconds |
| (Co-op) l4d_smalltown02_drainage | maybe | Expert | 11.49 seconds |
| (Co-op) l4d_smalltown02_drainage | maybe | Advanced | 5.85 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | maybe | Expert | 6.49 minutes |
| (Co-op) l4d_smalltown04_mainstreet | maybe | Expert | 5.52 minutes |
| (Co-op) l4d_smalltown05_houseboat | maybe | Expert | 8.16 minutes |
| (Co-op) l4d_smalltown05_houseboat | maybe | Advanced | 13.69 minutes |