| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Rombl4 | Advanced | 37.22 seconds |
| (Co-op) l4d_airport01_greenhouse | Rombl4 | Normal | 3.06 minutes |
| (Co-op) l4d_airport02_offices | Rombl4 | Advanced | 7.75 minutes |
| (Co-op) l4d_airport02_offices | Rombl4 | Normal | 6.62 minutes |
| (Co-op) l4d_airport03_garage | Rombl4 | Advanced | 7.26 minutes |
| (Co-op) l4d_airport03_garage | Rombl4 | Normal | 8.40 minutes |
| (Co-op) l4d_airport04_terminal | Rombl4 | Advanced | 4.86 minutes |
| (Co-op) l4d_airport04_terminal | Rombl4 | Normal | 4.35 minutes |
| (Co-op) l4d_airport05_runway | Rombl4 | Advanced | 6.08 minutes |
| (Co-op) l4d_airport05_runway | Rombl4 | Normal | 6.27 minutes |
| (Co-op) l4d_farm01_hilltop | Rombl4 | Advanced | 3.12 minutes |
| (Co-op) l4d_farm01_hilltop | Rombl4 | Normal | 3.24 minutes |
| (Co-op) l4d_farm02_traintunnel | Rombl4 | Advanced | 4.47 minutes |
| (Co-op) l4d_farm02_traintunnel | Rombl4 | Normal | 5.33 minutes |
| (Co-op) l4d_farm03_bridge | Rombl4 | Advanced | 5.88 minutes |
| (Co-op) l4d_farm03_bridge | Rombl4 | Normal | 4.53 minutes |
| (Co-op) l4d_farm04_barn | Rombl4 | Advanced | 4.92 minutes |
| (Co-op) l4d_farm04_barn | Rombl4 | Normal | 5.47 minutes |
| (Co-op) l4d_farm05_cornfield | Rombl4 | Advanced | 8.92 minutes |
| (Co-op) l4d_farm05_cornfield | Rombl4 | Normal | 8.06 minutes |
| (Co-op) l4d_garage01_alleys | Rombl4 | Advanced | 38.03 seconds |
| (Co-op) l4d_garage01_alleys | Rombl4 | Normal | 6.70 minutes |
| (Co-op) l4d_garage02_lots | Rombl4 | Advanced | 9.63 minutes |
| (Co-op) l4d_garage02_lots | Rombl4 | Normal | 9.19 minutes |
| (Co-op) l4d_hospital01_apartment | Rombl4 | Advanced | 2.50 minutes |
| (Co-op) l4d_hospital01_apartment | Rombl4 | Normal | 2.90 minutes |
| (Co-op) l4d_hospital02_subway | Rombl4 | Advanced | 6.11 minutes |
| (Co-op) l4d_hospital02_subway | Rombl4 | Normal | 22.21 seconds |
| (Co-op) l4d_hospital03_sewers | Rombl4 | Advanced | 7.74 minutes |
| (Co-op) l4d_hospital03_sewers | Rombl4 | Normal | 6.10 minutes |
| (Co-op) l4d_hospital04_interior | Rombl4 | Expert | 5.28 minutes |
| (Co-op) l4d_hospital04_interior | Rombl4 | Advanced | 6.12 minutes |
| (Co-op) l4d_hospital04_interior | Rombl4 | Normal | 40.61 seconds |
| (Co-op) l4d_hospital05_rooftop | Rombl4 | Expert | 8.07 minutes |
| (Co-op) l4d_hospital05_rooftop | Rombl4 | Advanced | 7.70 minutes |
| (Co-op) l4d_hospital05_rooftop | Rombl4 | Normal | 6.23 minutes |
| (Co-op) l4d_river01_docks | Rombl4 | Advanced | 8.48 minutes |
| (Co-op) l4d_river01_docks | Rombl4 | Advanced | 8.48 minutes |
| (Co-op) l4d_river01_docks | Rombl4 | Normal | 9.17 minutes |
| (Co-op) l4d_river01_docks | Rombl4 | Normal | 9.17 minutes |
| (Co-op) l4d_river02_barge | Rombl4 | Advanced | 8.95 minutes |
| (Co-op) l4d_river02_barge | Rombl4 | Advanced | 8.95 minutes |
| (Co-op) l4d_river02_barge | Rombl4 | Normal | 7.82 minutes |
| (Co-op) l4d_river02_barge | Rombl4 | Normal | 7.82 minutes |
| (Co-op) l4d_river03_port | Rombl4 | Advanced | 5.79 minutes |
| (Co-op) l4d_river03_port | Rombl4 | Advanced | 5.79 minutes |
| (Co-op) l4d_river03_port | Rombl4 | Normal | 5.56 minutes |
| (Co-op) l4d_river03_port | Rombl4 | Normal | 5.56 minutes |
| (Co-op) l4d_smalltown01_caves | Rombl4 | Advanced | 56.93 seconds |
| (Co-op) l4d_smalltown01_caves | Rombl4 | Normal | 4.18 minutes |
| (Co-op) l4d_smalltown02_drainage | Rombl4 | Advanced | 5.08 minutes |
| (Co-op) l4d_smalltown02_drainage | Rombl4 | Normal | 4.29 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Rombl4 | Advanced | 5.25 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Rombl4 | Normal | 5.07 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Rombl4 | Advanced | 5.81 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Rombl4 | Normal | 8.38 minutes |
| (Co-op) l4d_smalltown05_houseboat | Rombl4 | Advanced | 8.08 minutes |