| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | procto_dev | Expert | 3.66 minutes |
| (Co-op) l4d_airport01_greenhouse | procto_dev | Advanced | 2.64 minutes |
| (Co-op) l4d_airport02_offices | procto_dev | Expert | 8.20 minutes |
| (Co-op) l4d_airport02_offices | procto_dev | Advanced | 8.85 minutes |
| (Co-op) l4d_airport03_garage | procto_dev | Advanced | 9.54 minutes |
| (Co-op) l4d_airport03_garage | procto_dev | Normal | 10.68 seconds |
| (Co-op) l4d_airport04_terminal | procto_dev | Advanced | 7.47 minutes |
| (Co-op) l4d_airport04_terminal | procto_dev | Normal | 8.47 minutes |
| (Co-op) l4d_airport05_runway | procto_dev | Advanced | 7.33 minutes |
| (Co-op) l4d_airport05_runway | procto_dev | Normal | 8.15 minutes |
| (Co-op) l4d_farm02_traintunnel | procto_dev | Advanced | 7.45 minutes |
| (Co-op) l4d_farm03_bridge | procto_dev | Advanced | 7.26 minutes |
| (Co-op) l4d_farm04_barn | procto_dev | Advanced | 4.23 minutes |
| (Co-op) l4d_farm05_cornfield | procto_dev | Expert | 14.19 minutes |
| (Co-op) l4d_farm05_cornfield | procto_dev | Advanced | 10.78 minutes |
| (Co-op) l4d_garage02_lots | procto_dev | Normal | 12.00 minutes |
| (Co-op) l4d_hospital01_apartment | procto_dev | Expert | 2.53 minutes |
| (Co-op) l4d_hospital02_subway | procto_dev | Expert | 9.03 minutes |
| (Co-op) l4d_hospital03_sewers | procto_dev | Expert | 11.59 minutes |
| (Co-op) l4d_hospital04_interior | procto_dev | Expert | 6.38 minutes |
| (Co-op) l4d_hospital04_interior | procto_dev | Advanced | 6.25 minutes |
| (Co-op) l4d_hospital05_rooftop | procto_dev | Expert | 9.55 minutes |
| (Co-op) l4d_hospital05_rooftop | procto_dev | Advanced | 9.60 minutes |
| (Co-op) l4d_river01_docks | procto_dev | Expert | 8.63 minutes |
| (Co-op) l4d_river01_docks | procto_dev | Expert | 8.63 minutes |
| (Co-op) l4d_river01_docks | procto_dev | Advanced | 42.85 seconds |
| (Co-op) l4d_river01_docks | procto_dev | Advanced | 42.85 seconds |
| (Co-op) l4d_river02_barge | procto_dev | Expert | 10.63 minutes |
| (Co-op) l4d_river02_barge | procto_dev | Expert | 10.63 minutes |
| (Co-op) l4d_river02_barge | procto_dev | Advanced | 10.59 minutes |
| (Co-op) l4d_river02_barge | procto_dev | Advanced | 10.59 minutes |
| (Co-op) l4d_river03_port | procto_dev | Expert | 11.08 minutes |
| (Co-op) l4d_river03_port | procto_dev | Expert | 11.08 minutes |
| (Co-op) l4d_river03_port | procto_dev | Advanced | 10.18 minutes |
| (Co-op) l4d_river03_port | procto_dev | Advanced | 10.18 minutes |
| (Co-op) l4d_smalltown01_caves | procto_dev | Expert | 3.94 minutes |
| (Co-op) l4d_smalltown01_caves | procto_dev | Advanced | 3.94 minutes |
| (Co-op) l4d_smalltown01_caves | procto_dev | Normal | 4.15 minutes |
| (Co-op) l4d_smalltown02_drainage | procto_dev | Expert | 5.38 minutes |
| (Co-op) l4d_smalltown02_drainage | procto_dev | Advanced | 3.98 minutes |
| (Co-op) l4d_smalltown02_drainage | procto_dev | Normal | 6.01 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | procto_dev | Advanced | 4.65 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | procto_dev | Normal | 5.88 minutes |
| (Co-op) l4d_smalltown04_mainstreet | procto_dev | Expert | 8.79 minutes |
| (Co-op) l4d_smalltown05_houseboat | procto_dev | Expert | 10.78 minutes |