| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | DIN | Normal | 3.86 minutes |
| (Co-op) l4d_airport02_offices | DIN | Normal | 13.85 minutes |
| (Co-op) l4d_airport03_garage | DIN | Expert | 10.93 minutes |
| (Co-op) l4d_airport03_garage | DIN | Advanced | 8.46 minutes |
| (Co-op) l4d_airport03_garage | DIN | Normal | 12.19 minutes |
| (Co-op) l4d_airport04_terminal | DIN | Expert | 10.33 minutes |
| (Co-op) l4d_airport04_terminal | DIN | Advanced | 6.33 minutes |
| (Co-op) l4d_airport05_runway | DIN | Expert | 9.26 minutes |
| (Co-op) l4d_airport05_runway | DIN | Normal | 6.50 minutes |
| (Co-op) l4d_farm01_hilltop | DIN | Expert | 3.25 minutes |
| (Co-op) l4d_farm02_traintunnel | DIN | Expert | 8.17 minutes |
| (Co-op) l4d_farm03_bridge | DIN | Expert | 9.19 minutes |
| (Co-op) l4d_farm04_barn | DIN | Expert | 4.55 minutes |
| (Co-op) l4d_farm04_barn | DIN | Advanced | 6.02 minutes |
| (Co-op) l4d_farm05_cornfield | DIN | Expert | 11.41 minutes |
| (Co-op) l4d_garage01_alleys | DIN | Expert | 35.01 seconds |
| (Co-op) l4d_garage02_lots | DIN | Expert | 19.38 minutes |
| (Co-op) l4d_hospital02_subway | DIN | Expert | 17.65 minutes |
| (Co-op) l4d_hospital03_sewers | DIN | Expert | 9.92 minutes |
| (Co-op) l4d_hospital03_sewers | DIN | Normal | 8.02 minutes |
| (Co-op) l4d_hospital04_interior | DIN | Expert | 11.18 minutes |
| (Co-op) l4d_hospital05_rooftop | DIN | Expert | 9.39 minutes |
| (Co-op) l4d_river01_docks | DIN | Advanced | 8.88 minutes |
| (Co-op) l4d_river01_docks | DIN | Advanced | 8.88 minutes |
| (Co-op) l4d_river02_barge | DIN | Advanced | 13.86 minutes |
| (Co-op) l4d_river02_barge | DIN | Advanced | 13.86 minutes |
| (Co-op) l4d_river03_port | DIN | Advanced | 8.77 minutes |
| (Co-op) l4d_river03_port | DIN | Advanced | 8.77 minutes |
| (Co-op) l4d_smalltown01_caves | DIN | Expert | 5.22 minutes |
| (Co-op) l4d_smalltown05_houseboat | DIN | Expert | 14.08 minutes |
| (Co-op) l4d_smalltown05_houseboat | DIN | Advanced | 11.69 minutes |