| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | ETHAN77 | Expert | 4.81 minutes |
| (Co-op) l4d_airport02_offices | ETHAN77 | Expert | 7.50 minutes |
| (Co-op) l4d_airport03_garage | ETHAN77 | Expert | 8.27 minutes |
| (Co-op) l4d_airport03_garage | ETHAN77 | Advanced | 11.84 minutes |
| (Co-op) l4d_airport03_garage | ETHAN77 | Normal | 8.62 minutes |
| (Co-op) l4d_airport04_terminal | ETHAN77 | Expert | 8.16 minutes |
| (Co-op) l4d_airport04_terminal | ETHAN77 | Advanced | 5.97 minutes |
| (Co-op) l4d_airport04_terminal | ETHAN77 | Normal | 5.55 minutes |
| (Co-op) l4d_airport05_runway | ETHAN77 | Expert | 6.57 minutes |
| (Co-op) l4d_airport05_runway | ETHAN77 | Advanced | 8.83 minutes |
| (Co-op) l4d_airport05_runway | ETHAN77 | Normal | 5.93 minutes |
| (Co-op) l4d_farm01_hilltop | ETHAN77 | Expert | 7.07 minutes |
| (Co-op) l4d_farm01_hilltop | ETHAN77 | Advanced | 3.25 seconds |
| (Co-op) l4d_farm01_hilltop | ETHAN77 | Normal | 4.31 minutes |
| (Co-op) l4d_farm02_traintunnel | ETHAN77 | Expert | 7.69 minutes |
| (Co-op) l4d_farm02_traintunnel | ETHAN77 | Advanced | 6.47 minutes |
| (Co-op) l4d_farm02_traintunnel | ETHAN77 | Normal | 4.91 minutes |
| (Co-op) l4d_farm03_bridge | ETHAN77 | Expert | 11.77 minutes |
| (Co-op) l4d_farm03_bridge | ETHAN77 | Advanced | 9.13 minutes |
| (Co-op) l4d_farm03_bridge | ETHAN77 | Normal | 5.85 minutes |
| (Co-op) l4d_farm04_barn | ETHAN77 | Expert | 6.76 minutes |
| (Co-op) l4d_farm04_barn | ETHAN77 | Normal | 5.18 minutes |
| (Co-op) l4d_farm05_cornfield | ETHAN77 | Expert | 9.10 minutes |
| (Co-op) l4d_garage01_alleys | ETHAN77 | Expert | 1.65 seconds |
| (Co-op) l4d_garage01_alleys | ETHAN77 | Advanced | 13.82 minutes |
| (Co-op) l4d_garage02_lots | ETHAN77 | Advanced | 11.76 minutes |
| (Co-op) l4d_hospital01_apartment | ETHAN77 | Expert | 2.26 minutes |
| (Co-op) l4d_hospital01_apartment | ETHAN77 | Advanced | 2.70 minutes |
| (Co-op) l4d_hospital02_subway | ETHAN77 | Advanced | 7.58 minutes |
| (Co-op) l4d_hospital02_subway | ETHAN77 | Normal | 8.50 minutes |
| (Co-op) l4d_hospital03_sewers | ETHAN77 | Advanced | 8.00 minutes |
| (Co-op) l4d_hospital03_sewers | ETHAN77 | Normal | 7.28 minutes |
| (Co-op) l4d_hospital04_interior | ETHAN77 | Advanced | 7.48 minutes |
| (Co-op) l4d_hospital04_interior | ETHAN77 | Normal | 8.00 minutes |
| (Co-op) l4d_hospital05_rooftop | ETHAN77 | Expert | 9.16 minutes |
| (Co-op) l4d_hospital05_rooftop | ETHAN77 | Advanced | 7.99 minutes |
| (Co-op) l4d_hospital05_rooftop | ETHAN77 | Normal | 8.35 minutes |
| (Co-op) l4d_river01_docks | ETHAN77 | Advanced | 43.85 seconds |
| (Co-op) l4d_river01_docks | ETHAN77 | Advanced | 43.85 seconds |
| (Co-op) l4d_river02_barge | ETHAN77 | Advanced | 14.18 minutes |
| (Co-op) l4d_river02_barge | ETHAN77 | Advanced | 14.18 minutes |
| (Co-op) l4d_river03_port | ETHAN77 | Advanced | 12.37 minutes |
| (Co-op) l4d_river03_port | ETHAN77 | Advanced | 12.37 minutes |
| (Co-op) l4d_smalltown01_caves | ETHAN77 | Expert | 9.16 seconds |
| (Co-op) l4d_smalltown01_caves | ETHAN77 | Advanced | 15.14 seconds |
| (Co-op) l4d_smalltown01_caves | ETHAN77 | Normal | 57.15 seconds |
| (Co-op) l4d_smalltown02_drainage | ETHAN77 | Expert | 4.71 minutes |
| (Co-op) l4d_smalltown02_drainage | ETHAN77 | Advanced | 8.80 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | ETHAN77 | Expert | 7.18 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | ETHAN77 | Advanced | 10.96 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | ETHAN77 | Normal | 9.58 minutes |
| (Co-op) l4d_smalltown04_mainstreet | ETHAN77 | Expert | 10.23 minutes |