| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | 1 am n00b | Expert | 4.16 minutes |
| (Co-op) l4d_airport02_offices | 1 am n00b | Expert | 9.10 minutes |
| (Co-op) l4d_airport03_garage | 1 am n00b | Expert | 9.68 minutes |
| (Co-op) l4d_airport03_garage | 1 am n00b | Advanced | 12.70 minutes |
| (Co-op) l4d_airport04_terminal | 1 am n00b | Expert | 8.14 minutes |
| (Co-op) l4d_airport04_terminal | 1 am n00b | Advanced | 10.94 minutes |
| (Co-op) l4d_airport05_runway | 1 am n00b | Expert | 10.42 minutes |
| (Co-op) l4d_airport05_runway | 1 am n00b | Advanced | 6.72 minutes |
| (Co-op) l4d_farm01_hilltop | 1 am n00b | Expert | 4.09 minutes |
| (Co-op) l4d_farm01_hilltop | 1 am n00b | Advanced | 3.40 minutes |
| (Co-op) l4d_farm02_traintunnel | 1 am n00b | Expert | 10.86 minutes |
| (Co-op) l4d_farm02_traintunnel | 1 am n00b | Advanced | 8.05 minutes |
| (Co-op) l4d_farm03_bridge | 1 am n00b | Expert | 9.23 minutes |
| (Co-op) l4d_farm03_bridge | 1 am n00b | Advanced | 8.06 minutes |
| (Co-op) l4d_farm04_barn | 1 am n00b | Expert | 8.82 minutes |
| (Co-op) l4d_farm04_barn | 1 am n00b | Advanced | 4.87 minutes |
| (Co-op) l4d_farm05_cornfield | 1 am n00b | Expert | 14.59 minutes |
| (Co-op) l4d_farm05_cornfield | 1 am n00b | Advanced | 15.79 minutes |
| (Co-op) l4d_garage01_alleys | 1 am n00b | Advanced | 8.47 minutes |
| (Co-op) l4d_garage02_lots | 1 am n00b | Advanced | 12.98 minutes |
| (Co-op) l4d_hospital01_apartment | 1 am n00b | Advanced | 2.69 minutes |
| (Co-op) l4d_hospital02_subway | 1 am n00b | Advanced | 7.70 minutes |
| (Co-op) l4d_hospital03_sewers | 1 am n00b | Advanced | 10.34 minutes |
| (Co-op) l4d_hospital04_interior | 1 am n00b | Advanced | 7.26 minutes |
| (Co-op) l4d_hospital05_rooftop | 1 am n00b | Advanced | 11.71 minutes |
| (Co-op) l4d_river01_docks | 1 am n00b | Expert | 8.86 minutes |
| (Co-op) l4d_river01_docks | 1 am n00b | Expert | 8.86 minutes |
| (Co-op) l4d_river01_docks | 1 am n00b | Advanced | 14.31 minutes |
| (Co-op) l4d_river01_docks | 1 am n00b | Advanced | 14.31 minutes |
| (Co-op) l4d_river02_barge | 1 am n00b | Expert | 10.51 minutes |
| (Co-op) l4d_river02_barge | 1 am n00b | Expert | 10.51 minutes |
| (Co-op) l4d_river02_barge | 1 am n00b | Advanced | 10.64 minutes |
| (Co-op) l4d_river02_barge | 1 am n00b | Advanced | 10.64 minutes |
| (Co-op) l4d_river03_port | 1 am n00b | Expert | 12.47 minutes |
| (Co-op) l4d_river03_port | 1 am n00b | Expert | 12.47 minutes |
| (Co-op) l4d_river03_port | 1 am n00b | Advanced | 10.77 minutes |
| (Co-op) l4d_river03_port | 1 am n00b | Advanced | 10.77 minutes |
| (Co-op) l4d_smalltown01_caves | 1 am n00b | Advanced | 4.23 minutes |
| (Co-op) l4d_smalltown02_drainage | 1 am n00b | Advanced | 5.73 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | 1 am n00b | Expert | 6.41 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | 1 am n00b | Advanced | 6.27 minutes |
| (Co-op) l4d_smalltown04_mainstreet | 1 am n00b | Expert | 6.14 minutes |
| (Co-op) l4d_smalltown04_mainstreet | 1 am n00b | Advanced | 9.91 minutes |
| (Co-op) l4d_smalltown05_houseboat | 1 am n00b | Expert | 9.11 minutes |
| (Co-op) l4d_smalltown05_houseboat | 1 am n00b | Advanced | 11.83 minutes |