| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Meow | Expert | 2.40 minutes |
| (Co-op) l4d_airport02_offices | Meow | Expert | 8.43 minutes |
| (Co-op) l4d_airport02_offices | Meow | Normal | 8.13 minutes |
| (Co-op) l4d_airport03_garage | Meow | Expert | 7.14 minutes |
| (Co-op) l4d_airport04_terminal | Meow | Expert | 6.72 minutes |
| (Co-op) l4d_airport04_terminal | Meow | Advanced | 7.55 minutes |
| (Co-op) l4d_airport05_runway | Meow | Advanced | 14.23 minutes |
| (Co-op) l4d_airport05_runway | Meow | Normal | 10.99 minutes |
| (Co-op) l4d_farm01_hilltop | Meow | Expert | 4.62 minutes |
| (Co-op) l4d_farm01_hilltop | Meow | Advanced | 4.99 minutes |
| (Co-op) l4d_farm01_hilltop | Meow | Normal | 4.13 minutes |
| (Co-op) l4d_farm02_traintunnel | Meow | Expert | 4.85 minutes |
| (Co-op) l4d_farm02_traintunnel | Meow | Normal | 7.61 minutes |
| (Co-op) l4d_farm03_bridge | Meow | Expert | 7.33 minutes |
| (Co-op) l4d_farm03_bridge | Meow | Normal | 7.98 minutes |
| (Co-op) l4d_farm04_barn | Meow | Expert | 4.92 minutes |
| (Co-op) l4d_farm05_cornfield | Meow | Expert | 11.58 minutes |
| (Co-op) l4d_garage01_alleys | Meow | Expert | 14.76 minutes |
| (Co-op) l4d_garage01_alleys | Meow | Advanced | 11.57 minutes |
| (Co-op) l4d_garage02_lots | Meow | Expert | 13.71 minutes |
| (Co-op) l4d_hospital01_apartment | Meow | Expert | 2.41 minutes |
| (Co-op) l4d_hospital02_subway | Meow | Expert | 8.77 minutes |
| (Co-op) l4d_hospital02_subway | Meow | Normal | 40.29 seconds |
| (Co-op) l4d_hospital03_sewers | Meow | Expert | 8.27 minutes |
| (Co-op) l4d_hospital04_interior | Meow | Expert | 6.21 minutes |
| (Co-op) l4d_hospital05_rooftop | Meow | Expert | 9.93 minutes |
| (Co-op) l4d_hospital05_rooftop | Meow | Advanced | 14.33 minutes |
| (Co-op) l4d_river01_docks | Meow | Expert | 2.36 seconds |
| (Co-op) l4d_river01_docks | Meow | Expert | 2.36 seconds |
| (Co-op) l4d_river01_docks | Meow | Advanced | 8.82 minutes |
| (Co-op) l4d_river01_docks | Meow | Advanced | 8.82 minutes |
| (Co-op) l4d_river02_barge | Meow | Expert | 16.75 minutes |
| (Co-op) l4d_river02_barge | Meow | Expert | 16.75 minutes |
| (Co-op) l4d_river02_barge | Meow | Advanced | 10.26 minutes |
| (Co-op) l4d_river02_barge | Meow | Advanced | 10.26 minutes |
| (Co-op) l4d_smalltown01_caves | Meow | Expert | 31.25 seconds |
| (Co-op) l4d_smalltown01_caves | Meow | Advanced | 6.78 minutes |
| (Co-op) l4d_smalltown02_drainage | Meow | Expert | 6.36 minutes |
| (Co-op) l4d_smalltown02_drainage | Meow | Advanced | 7.44 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Meow | Expert | 10.16 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Meow | Advanced | 7.42 minutes |
| (Co-op) l4d_smalltown05_houseboat | Meow | Advanced | 14.42 minutes |