| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Uncertified | Expert | 2.94 minutes |
| (Co-op) l4d_airport01_greenhouse | Uncertified | Advanced | 2.60 minutes |
| (Co-op) l4d_airport02_offices | Uncertified | Expert | 7.58 minutes |
| (Co-op) l4d_airport02_offices | Uncertified | Advanced | 9.20 minutes |
| (Co-op) l4d_airport03_garage | Uncertified | Expert | 7.80 minutes |
| (Co-op) l4d_airport03_garage | Uncertified | Advanced | 10.72 minutes |
| (Co-op) l4d_airport04_terminal | Uncertified | Expert | 5.51 minutes |
| (Co-op) l4d_airport04_terminal | Uncertified | Advanced | 5.21 minutes |
| (Co-op) l4d_airport04_terminal | Uncertified | Normal | 5.77 minutes |
| (Co-op) l4d_airport05_runway | Uncertified | Expert | 8.67 minutes |
| (Co-op) l4d_airport05_runway | Uncertified | Advanced | 7.46 minutes |
| (Co-op) l4d_farm01_hilltop | Uncertified | Expert | 3.47 minutes |
| (Co-op) l4d_farm01_hilltop | Uncertified | Advanced | 2.79 minutes |
| (Co-op) l4d_farm02_traintunnel | Uncertified | Expert | 4.26 minutes |
| (Co-op) l4d_farm02_traintunnel | Uncertified | Advanced | 5.06 minutes |
| (Co-op) l4d_farm03_bridge | Uncertified | Expert | 5.05 minutes |
| (Co-op) l4d_farm03_bridge | Uncertified | Advanced | 5.97 minutes |
| (Co-op) l4d_farm04_barn | Uncertified | Expert | 4.25 minutes |
| (Co-op) l4d_farm04_barn | Uncertified | Advanced | 5.91 minutes |
| (Co-op) l4d_farm05_cornfield | Uncertified | Expert | 11.96 minutes |
| (Co-op) l4d_farm05_cornfield | Uncertified | Advanced | 8.87 minutes |
| (Co-op) l4d_garage01_alleys | Uncertified | Expert | 10.93 minutes |
| (Co-op) l4d_garage01_alleys | Uncertified | Advanced | 9.40 minutes |
| (Co-op) l4d_garage02_lots | Uncertified | Expert | 18.49 minutes |
| (Co-op) l4d_garage02_lots | Uncertified | Advanced | 13.93 minutes |
| (Co-op) l4d_hospital01_apartment | Uncertified | Expert | 2.81 minutes |
| (Co-op) l4d_hospital01_apartment | Uncertified | Advanced | 3.29 minutes |
| (Co-op) l4d_hospital02_subway | Uncertified | Expert | 7.16 minutes |
| (Co-op) l4d_hospital02_subway | Uncertified | Advanced | 7.42 minutes |
| (Co-op) l4d_hospital03_sewers | Uncertified | Expert | 7.65 minutes |
| (Co-op) l4d_hospital03_sewers | Uncertified | Advanced | 7.17 minutes |
| (Co-op) l4d_hospital03_sewers | Uncertified | Normal | 5.62 minutes |
| (Co-op) l4d_hospital04_interior | Uncertified | Expert | 6.52 minutes |
| (Co-op) l4d_hospital04_interior | Uncertified | Advanced | 7.36 minutes |
| (Co-op) l4d_hospital04_interior | Uncertified | Normal | 5.42 minutes |
| (Co-op) l4d_hospital05_rooftop | Uncertified | Expert | 10.04 minutes |
| (Co-op) l4d_hospital05_rooftop | Uncertified | Advanced | 9.42 minutes |
| (Co-op) l4d_hospital05_rooftop | Uncertified | Normal | 11.01 minutes |
| (Co-op) l4d_river01_docks | Uncertified | Expert | 9.48 minutes |
| (Co-op) l4d_river01_docks | Uncertified | Expert | 9.48 minutes |
| (Co-op) l4d_river01_docks | Uncertified | Advanced | 9.86 minutes |
| (Co-op) l4d_river01_docks | Uncertified | Advanced | 9.86 minutes |
| (Co-op) l4d_river02_barge | Uncertified | Expert | 9.40 minutes |
| (Co-op) l4d_river02_barge | Uncertified | Expert | 9.40 minutes |
| (Co-op) l4d_river02_barge | Uncertified | Advanced | 9.14 minutes |
| (Co-op) l4d_river02_barge | Uncertified | Advanced | 9.14 minutes |
| (Co-op) l4d_river03_port | Uncertified | Expert | 9.94 minutes |
| (Co-op) l4d_river03_port | Uncertified | Expert | 9.94 minutes |
| (Co-op) l4d_river03_port | Uncertified | Advanced | 8.28 minutes |
| (Co-op) l4d_river03_port | Uncertified | Advanced | 8.28 minutes |
| (Co-op) l4d_smalltown01_caves | Uncertified | Expert | 3.08 minutes |
| (Co-op) l4d_smalltown01_caves | Uncertified | Advanced | 3.53 minutes |
| (Co-op) l4d_smalltown02_drainage | Uncertified | Expert | 7.97 minutes |
| (Co-op) l4d_smalltown02_drainage | Uncertified | Advanced | 5.49 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Uncertified | Expert | 7.17 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Uncertified | Advanced | 3.79 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Uncertified | Expert | 7.99 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Uncertified | Advanced | 5.71 minutes |
| (Co-op) l4d_smalltown05_houseboat | Uncertified | Expert | 15.17 minutes |
| (Co-op) l4d_smalltown05_houseboat | Uncertified | Advanced | 10.11 minutes |