| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | ErMaK | Advanced | 2.47 minutes |
| (Co-op) l4d_airport02_offices | ErMaK | Advanced | 8.94 minutes |
| (Co-op) l4d_airport03_garage | ErMaK | Advanced | 8.27 minutes |
| (Co-op) l4d_airport04_terminal | ErMaK | Advanced | 4.66 minutes |
| (Co-op) l4d_airport05_runway | ErMaK | Advanced | 7.17 minutes |
| (Co-op) l4d_garage01_alleys | ErMaK | Advanced | 50.50 seconds |
| (Co-op) l4d_hospital01_apartment | ErMaK | Advanced | 2.26 minutes |
| (Co-op) l4d_hospital02_subway | ErMaK | Expert | 7.87 minutes |
| (Co-op) l4d_hospital02_subway | ErMaK | Advanced | 6.68 minutes |
| (Co-op) l4d_hospital02_subway | ErMaK | Normal | 46.51 seconds |
| (Co-op) l4d_hospital03_sewers | ErMaK | Expert | 9.94 minutes |
| (Co-op) l4d_hospital03_sewers | ErMaK | Advanced | 6.17 minutes |
| (Co-op) l4d_hospital03_sewers | ErMaK | Normal | 11.01 minutes |
| (Co-op) l4d_hospital04_interior | ErMaK | Expert | 5.92 minutes |
| (Co-op) l4d_hospital04_interior | ErMaK | Advanced | 4.99 minutes |
| (Co-op) l4d_hospital04_interior | ErMaK | Normal | 6.45 minutes |
| (Co-op) l4d_hospital05_rooftop | ErMaK | Expert | 9.98 minutes |
| (Co-op) l4d_hospital05_rooftop | ErMaK | Advanced | 9.50 minutes |
| (Co-op) l4d_river01_docks | ErMaK | Advanced | 8.51 minutes |
| (Co-op) l4d_river01_docks | ErMaK | Advanced | 8.51 minutes |
| (Co-op) l4d_river02_barge | ErMaK | Advanced | 10.19 minutes |
| (Co-op) l4d_river02_barge | ErMaK | Advanced | 10.19 minutes |
| (Co-op) l4d_river03_port | ErMaK | Advanced | 7.73 minutes |
| (Co-op) l4d_river03_port | ErMaK | Advanced | 7.73 minutes |
| (Co-op) l4d_smalltown01_caves | ErMaK | Expert | 4.67 minutes |
| (Co-op) l4d_smalltown01_caves | ErMaK | Normal | 11.63 seconds |
| (Co-op) l4d_smalltown02_drainage | ErMaK | Expert | 4.97 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | ErMaK | Expert | 6.94 minutes |
| (Co-op) l4d_smalltown05_houseboat | ErMaK | Advanced | 9.64 minutes |