| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | chelsea
| Expert | 3.56 minutes |
| (Co-op) l4d_airport02_offices | chelsea
| Expert | 9.24 minutes |
| (Co-op) l4d_airport02_offices | chelsea
| Advanced | 10.40 minutes |
| (Co-op) l4d_airport03_garage | chelsea
| Expert | 10.27 minutes |
| (Co-op) l4d_airport03_garage | chelsea
| Advanced | 11.48 minutes |
| (Co-op) l4d_airport04_terminal | chelsea
| Expert | 7.72 minutes |
| (Co-op) l4d_airport04_terminal | chelsea
| Advanced | 9.88 minutes |
| (Co-op) l4d_airport05_runway | chelsea
| Expert | 9.46 minutes |
| (Co-op) l4d_airport05_runway | chelsea
| Advanced | 6.82 minutes |
| (Co-op) l4d_farm01_hilltop | chelsea
| Expert | 3.38 minutes |
| (Co-op) l4d_farm02_traintunnel | chelsea
| Expert | 5.85 minutes |
| (Co-op) l4d_farm02_traintunnel | chelsea
| Advanced | 13.06 minutes |
| (Co-op) l4d_farm03_bridge | chelsea
| Expert | 8.04 minutes |
| (Co-op) l4d_farm03_bridge | chelsea
| Advanced | 12.37 minutes |
| (Co-op) l4d_farm04_barn | chelsea
| Expert | 7.52 minutes |
| (Co-op) l4d_farm04_barn | chelsea
| Normal | 6.65 minutes |
| (Co-op) l4d_farm05_cornfield | chelsea
| Normal | 9.15 minutes |
| (Co-op) l4d_garage01_alleys | chelsea
| Expert | 15.99 minutes |
| (Co-op) l4d_hospital01_apartment | chelsea
| Expert | 4.02 minutes |
| (Co-op) l4d_hospital02_subway | chelsea
| Expert | 11.86 minutes |
| (Co-op) l4d_hospital02_subway | chelsea
| Advanced | 9.66 minutes |
| (Co-op) l4d_hospital03_sewers | chelsea
| Expert | 9.08 minutes |
| (Co-op) l4d_hospital04_interior | chelsea
| Expert | 5.99 minutes |
| (Co-op) l4d_hospital04_interior | chelsea
| Advanced | 7.82 minutes |
| (Co-op) l4d_hospital05_rooftop | chelsea
| Expert | 11.58 minutes |
| (Co-op) l4d_hospital05_rooftop | chelsea
| Advanced | 8.41 minutes |
| (Co-op) l4d_river01_docks | chelsea
| Expert | 7.02 minutes |
| (Co-op) l4d_river01_docks | chelsea
| Expert | 7.02 minutes |
| (Co-op) l4d_river01_docks | chelsea
| Normal | 31.01 seconds |
| (Co-op) l4d_river01_docks | chelsea
| Normal | 31.01 seconds |
| (Co-op) l4d_river02_barge | chelsea
| Expert | 10.01 minutes |
| (Co-op) l4d_river02_barge | chelsea
| Expert | 10.01 minutes |
| (Co-op) l4d_river02_barge | chelsea
| Advanced | 12.44 minutes |
| (Co-op) l4d_river02_barge | chelsea
| Advanced | 12.44 minutes |
| (Co-op) l4d_river03_port | chelsea
| Expert | 11.74 minutes |
| (Co-op) l4d_river03_port | chelsea
| Expert | 11.74 minutes |
| (Co-op) l4d_river03_port | chelsea
| Advanced | 9.94 minutes |
| (Co-op) l4d_river03_port | chelsea
| Advanced | 9.94 minutes |
| (Co-op) l4d_smalltown01_caves | chelsea
| Expert | 14.70 seconds |
| (Co-op) l4d_smalltown01_caves | chelsea
| Advanced | 5.09 minutes |
| (Co-op) l4d_smalltown02_drainage | chelsea
| Expert | 5.06 minutes |
| (Co-op) l4d_smalltown02_drainage | chelsea
| Advanced | 8.11 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | chelsea
| Expert | 5.89 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | chelsea
| Advanced | 7.43 minutes |
| (Co-op) l4d_smalltown04_mainstreet | chelsea
| Expert | 7.25 minutes |
| (Co-op) l4d_smalltown05_houseboat | chelsea
| Expert | 12.21 minutes |