| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | [BO]Tboss | Expert | 3.15 minutes |
| (Co-op) l4d_airport01_greenhouse | [BO]Tboss | Advanced | 2.75 minutes |
| (Co-op) l4d_airport01_greenhouse | [BO]Tboss | Normal | 3.43 seconds |
| (Co-op) l4d_airport02_offices | [BO]Tboss | Expert | 11.71 minutes |
| (Co-op) l4d_airport02_offices | [BO]Tboss | Advanced | 6.44 minutes |
| (Co-op) l4d_airport02_offices | [BO]Tboss | Normal | 7.66 minutes |
| (Co-op) l4d_airport03_garage | [BO]Tboss | Expert | 19.79 minutes |
| (Co-op) l4d_airport03_garage | [BO]Tboss | Advanced | 8.92 minutes |
| (Co-op) l4d_airport03_garage | [BO]Tboss | Normal | 5.94 minutes |
| (Co-op) l4d_airport04_terminal | [BO]Tboss | Expert | 3.89 minutes |
| (Co-op) l4d_airport04_terminal | [BO]Tboss | Advanced | 5.94 minutes |
| (Co-op) l4d_airport04_terminal | [BO]Tboss | Normal | 5.00 minutes |
| (Co-op) l4d_airport05_runway | [BO]Tboss | Expert | 11.52 minutes |
| (Co-op) l4d_airport05_runway | [BO]Tboss | Advanced | 6.52 minutes |
| (Co-op) l4d_airport05_runway | [BO]Tboss | Normal | 4.18 minutes |
| (Co-op) l4d_farm01_hilltop | [BO]Tboss | Expert | 4.03 minutes |
| (Co-op) l4d_farm01_hilltop | [BO]Tboss | Normal | 3.83 minutes |
| (Co-op) l4d_farm02_traintunnel | [BO]Tboss | Expert | 6.13 minutes |
| (Co-op) l4d_farm02_traintunnel | [BO]Tboss | Advanced | 5.46 minutes |
| (Co-op) l4d_farm02_traintunnel | [BO]Tboss | Normal | 5.09 minutes |
| (Co-op) l4d_farm03_bridge | [BO]Tboss | Expert | 8.09 minutes |
| (Co-op) l4d_farm03_bridge | [BO]Tboss | Advanced | 5.54 minutes |
| (Co-op) l4d_farm03_bridge | [BO]Tboss | Normal | 5.38 minutes |
| (Co-op) l4d_farm04_barn | [BO]Tboss | Expert | 7.14 minutes |
| (Co-op) l4d_farm04_barn | [BO]Tboss | Advanced | 5.45 minutes |
| (Co-op) l4d_farm04_barn | [BO]Tboss | Normal | 3.56 minutes |
| (Co-op) l4d_farm05_cornfield | [BO]Tboss | Expert | 17.36 minutes |
| (Co-op) l4d_farm05_cornfield | [BO]Tboss | Advanced | 7.70 minutes |
| (Co-op) l4d_farm05_cornfield | [BO]Tboss | Normal | 7.36 minutes |
| (Co-op) l4d_garage01_alleys | [BO]Tboss | Expert | 12.64 minutes |
| (Co-op) l4d_garage01_alleys | [BO]Tboss | Normal | 8.77 minutes |
| (Co-op) l4d_garage02_lots | [BO]Tboss | Expert | 15.62 minutes |
| (Co-op) l4d_garage02_lots | [BO]Tboss | Normal | 8.71 minutes |
| (Co-op) l4d_hospital01_apartment | [BO]Tboss | Expert | 4.31 minutes |
| (Co-op) l4d_hospital01_apartment | [BO]Tboss | Advanced | 1.47 minutes |
| (Co-op) l4d_hospital01_apartment | [BO]Tboss | Normal | 3.26 seconds |
| (Co-op) l4d_hospital02_subway | [BO]Tboss | Expert | 7.99 minutes |
| (Co-op) l4d_hospital02_subway | [BO]Tboss | Advanced | 6.77 minutes |
| (Co-op) l4d_hospital03_sewers | [BO]Tboss | Expert | 7.41 minutes |
| (Co-op) l4d_hospital03_sewers | [BO]Tboss | Advanced | 6.05 minutes |
| (Co-op) l4d_hospital03_sewers | [BO]Tboss | Normal | 10.25 minutes |
| (Co-op) l4d_hospital04_interior | [BO]Tboss | Expert | 9.13 minutes |
| (Co-op) l4d_hospital04_interior | [BO]Tboss | Advanced | 6.19 minutes |
| (Co-op) l4d_hospital04_interior | [BO]Tboss | Normal | 6.54 minutes |
| (Co-op) l4d_hospital05_rooftop | [BO]Tboss | Expert | 11.18 minutes |
| (Co-op) l4d_hospital05_rooftop | [BO]Tboss | Advanced | 7.97 minutes |
| (Co-op) l4d_river01_docks | [BO]Tboss | Advanced | 42.53 seconds |
| (Co-op) l4d_river01_docks | [BO]Tboss | Advanced | 42.53 seconds |
| (Co-op) l4d_river01_docks | [BO]Tboss | Normal | 7.77 minutes |
| (Co-op) l4d_river01_docks | [BO]Tboss | Normal | 7.77 minutes |
| (Co-op) l4d_river02_barge | [BO]Tboss | Expert | 10.32 minutes |
| (Co-op) l4d_river02_barge | [BO]Tboss | Expert | 10.32 minutes |
| (Co-op) l4d_river02_barge | [BO]Tboss | Advanced | 1.10 minutes |
| (Co-op) l4d_river02_barge | [BO]Tboss | Advanced | 1.10 minutes |
| (Co-op) l4d_river02_barge | [BO]Tboss | Normal | 11.85 minutes |
| (Co-op) l4d_river02_barge | [BO]Tboss | Normal | 11.85 minutes |
| (Co-op) l4d_river03_port | [BO]Tboss | Expert | 7.29 minutes |
| (Co-op) l4d_river03_port | [BO]Tboss | Expert | 7.29 minutes |
| (Co-op) l4d_river03_port | [BO]Tboss | Normal | 7.75 minutes |
| (Co-op) l4d_river03_port | [BO]Tboss | Normal | 7.75 minutes |
| (Co-op) l4d_smalltown01_caves | [BO]Tboss | Expert | 4.47 minutes |
| (Co-op) l4d_smalltown01_caves | [BO]Tboss | Advanced | 4.58 minutes |
| (Co-op) l4d_smalltown01_caves | [BO]Tboss | Normal | 29.64 seconds |
| (Co-op) l4d_smalltown02_drainage | [BO]Tboss | Expert | 9.24 minutes |
| (Co-op) l4d_smalltown02_drainage | [BO]Tboss | Advanced | 3.82 minutes |
| (Co-op) l4d_smalltown02_drainage | [BO]Tboss | Normal | 45.86 seconds |
| (Co-op) l4d_smalltown03_ranchhouse | [BO]Tboss | Expert | 5.33 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | [BO]Tboss | Advanced | 5.19 minutes |
| (Co-op) l4d_smalltown04_mainstreet | [BO]Tboss | Expert | 6.91 minutes |
| (Co-op) l4d_smalltown04_mainstreet | [BO]Tboss | Advanced | 4.88 minutes |
| (Co-op) l4d_smalltown05_houseboat | [BO]Tboss | Expert | 12.91 minutes |
| (Co-op) l4d_smalltown05_houseboat | [BO]Tboss | Advanced | 7.79 minutes |