| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | KoT | Expert | 3.13 minutes |
| (Co-op) l4d_airport01_greenhouse | KoT | Advanced | 2.58 minutes |
| (Co-op) l4d_airport02_offices | KoT | Expert | 10.74 minutes |
| (Co-op) l4d_airport02_offices | KoT | Advanced | 6.31 minutes |
| (Co-op) l4d_airport02_offices | KoT | Normal | 43.96 seconds |
| (Co-op) l4d_airport03_garage | KoT | Expert | 9.28 minutes |
| (Co-op) l4d_airport03_garage | KoT | Advanced | 12.03 minutes |
| (Co-op) l4d_airport04_terminal | KoT | Advanced | 5.80 minutes |
| (Co-op) l4d_airport04_terminal | KoT | Normal | 6.65 minutes |
| (Co-op) l4d_airport05_runway | KoT | Advanced | 10.13 minutes |
| (Co-op) l4d_airport05_runway | KoT | Normal | 8.64 minutes |
| (Co-op) l4d_farm01_hilltop | KoT | Advanced | 4.92 minutes |
| (Co-op) l4d_farm02_traintunnel | KoT | Normal | 7.47 minutes |
| (Co-op) l4d_farm03_bridge | KoT | Normal | 6.78 minutes |
| (Co-op) l4d_farm04_barn | KoT | Expert | 7.82 minutes |
| (Co-op) l4d_farm04_barn | KoT | Advanced | 4.67 minutes |
| (Co-op) l4d_farm04_barn | KoT | Normal | 6.14 minutes |
| (Co-op) l4d_farm05_cornfield | KoT | Advanced | 10.96 minutes |
| (Co-op) l4d_farm05_cornfield | KoT | Normal | 11.47 minutes |
| (Co-op) l4d_garage01_alleys | KoT | Advanced | 9.62 minutes |
| (Co-op) l4d_garage02_lots | KoT | Expert | 10.69 minutes |
| (Co-op) l4d_hospital01_apartment | KoT | Expert | 3.73 minutes |
| (Co-op) l4d_hospital01_apartment | KoT | Advanced | 4.18 seconds |
| (Co-op) l4d_hospital02_subway | KoT | Advanced | 10.23 minutes |
| (Co-op) l4d_hospital03_sewers | KoT | Expert | 10.88 minutes |
| (Co-op) l4d_hospital03_sewers | KoT | Advanced | 11.50 minutes |
| (Co-op) l4d_hospital04_interior | KoT | Expert | 6.11 minutes |
| (Co-op) l4d_hospital04_interior | KoT | Advanced | 6.88 minutes |
| (Co-op) l4d_hospital05_rooftop | KoT | Expert | 8.33 minutes |
| (Co-op) l4d_hospital05_rooftop | KoT | Advanced | 10.96 minutes |
| (Co-op) l4d_river01_docks | KoT | Expert | 37.64 seconds |
| (Co-op) l4d_river01_docks | KoT | Expert | 37.64 seconds |
| (Co-op) l4d_river02_barge | KoT | Expert | 11.40 minutes |
| (Co-op) l4d_river02_barge | KoT | Expert | 11.40 minutes |
| (Co-op) l4d_river02_barge | KoT | Advanced | 10.34 minutes |
| (Co-op) l4d_river02_barge | KoT | Advanced | 10.34 minutes |
| (Co-op) l4d_river03_port | KoT | Advanced | 12.25 minutes |
| (Co-op) l4d_river03_port | KoT | Advanced | 12.25 minutes |
| (Co-op) l4d_river03_port | KoT | Normal | 10.92 minutes |
| (Co-op) l4d_river03_port | KoT | Normal | 10.92 minutes |
| (Co-op) l4d_smalltown01_caves | KoT | Expert | 38.24 seconds |
| (Co-op) l4d_smalltown01_caves | KoT | Advanced | 4.17 minutes |
| (Co-op) l4d_smalltown01_caves | KoT | Normal | 3.68 minutes |
| (Co-op) l4d_smalltown02_drainage | KoT | Expert | 5.81 minutes |
| (Co-op) l4d_smalltown02_drainage | KoT | Normal | 5.91 minutes |
| (Co-op) l4d_smalltown04_mainstreet | KoT | Expert | 7.46 minutes |
| (Co-op) l4d_smalltown04_mainstreet | KoT | Advanced | 12.79 minutes |
| (Co-op) l4d_smalltown05_houseboat | KoT | Expert | 11.36 minutes |