No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment |  HydraX | Expert | 2.39 minutes |
| (Co-op) l4d_hospital01_apartment | HydraX | Normal | 2.98 minutes |
| (Co-op) l4d_hospital02_subway | HydraX | Expert | 5.50 minutes |
| (Co-op) l4d_hospital02_subway | HydraX | Advanced | 8.36 minutes |
| (Co-op) l4d_hospital02_subway | HydraX | Normal | 5.43 minutes |
| (Co-op) l4d_hospital03_sewers | HydraX | Expert | 14.00 minutes |
| (Co-op) l4d_hospital03_sewers | HydraX | Advanced | 10.98 minutes |
| (Co-op) l4d_hospital03_sewers | HydraX | Normal | 5.43 minutes |
| (Co-op) l4d_hospital04_interior | HydraX | Expert | 6.76 minutes |
| (Co-op) l4d_hospital04_interior | HydraX | Advanced | 5.65 minutes |
| (Co-op) l4d_hospital04_interior | HydraX | Normal | 6.11 minutes |
| (Co-op) l4d_hospital05_rooftop | HydraX | Advanced | 8.35 minutes |
| (Co-op) l4d_hospital05_rooftop | HydraX | Normal | 8.73 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | HydraX | Normal | 6.73 minutes |
| (Co-op) l4d_airport02_offices | HydraX | Expert | 9.69 minutes |
| (Co-op) l4d_airport02_offices | HydraX | Advanced | 15.62 minutes |
| (Co-op) l4d_airport02_offices | HydraX | Normal | 8.49 minutes |
| (Co-op) l4d_airport03_garage | HydraX | Expert | 15.14 minutes |
| (Co-op) l4d_airport03_garage | HydraX | Advanced | 11.64 minutes |
| (Co-op) l4d_airport03_garage | HydraX | Normal | 7.47 minutes |
| (Co-op) l4d_airport04_terminal | HydraX | Advanced | 7.39 minutes |
| (Co-op) l4d_airport04_terminal | HydraX | Normal | 5.99 minutes |
| (Co-op) l4d_airport05_runway | HydraX | Expert | 8.14 minutes |
| (Co-op) l4d_airport05_runway | HydraX | Advanced | 7.22 minutes |
| (Co-op) l4d_airport05_runway | HydraX | Normal | 7.41 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | HydraX | Normal | 4.79 minutes |
| (Co-op) l4d_smalltown02_drainage | HydraX | Normal | 5.32 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | HydraX | Expert | 7.34 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | HydraX | Advanced | 6.96 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | HydraX | Normal | 5.29 minutes |
| (Co-op) l4d_smalltown04_mainstreet | HydraX | Expert | 13.12 minutes |
| (Co-op) l4d_smalltown04_mainstreet | HydraX | Advanced | 10.84 minutes |
| (Co-op) l4d_smalltown04_mainstreet | HydraX | Normal | 5.97 minutes |
| (Co-op) l4d_smalltown05_houseboat | HydraX | Expert | 12.54 minutes |
| (Co-op) l4d_smalltown05_houseboat | HydraX | Normal | 9.56 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | HydraX | Normal | 4.00 minutes |
| (Co-op) l4d_farm02_traintunnel | HydraX | Advanced | 5.37 minutes |
| (Co-op) l4d_farm02_traintunnel | HydraX | Normal | 6.00 minutes |
| (Co-op) l4d_farm03_bridge | HydraX | Expert | 11.70 minutes |
| (Co-op) l4d_farm03_bridge | HydraX | Advanced | 5.03 minutes |
| (Co-op) l4d_farm03_bridge | HydraX | Normal | 7.60 minutes |
| (Co-op) l4d_farm04_barn | HydraX | Advanced | 4.89 minutes |
| (Co-op) l4d_farm04_barn | HydraX | Normal | 7.02 minutes |
| (Co-op) l4d_farm05_cornfield | HydraX | Normal | 9.22 minutes |
