| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Nika | Normal | 3.00 minutes |
| (Co-op) l4d_airport02_offices | Nika | Normal | 7.58 minutes |
| (Co-op) l4d_airport03_garage | Nika | Normal | 1.75 minutes |
| (Co-op) l4d_airport04_terminal | Nika | Normal | 9.14 minutes |
| (Co-op) l4d_airport05_runway | Nika | Normal | 8.66 minutes |
| (Co-op) l4d_farm01_hilltop | Nika | Normal | 3.48 minutes |
| (Co-op) l4d_farm02_traintunnel | Nika | Normal | 5.57 minutes |
| (Co-op) l4d_farm03_bridge | Nika | Normal | 5.24 minutes |
| (Co-op) l4d_farm04_barn | Nika | Normal | 5.14 minutes |
| (Co-op) l4d_farm05_cornfield | Nika | Normal | 9.09 minutes |
| (Co-op) l4d_garage01_alleys | Nika | Normal | 7.48 minutes |
| (Co-op) l4d_garage02_lots | Nika | Normal | 9.56 minutes |
| (Co-op) l4d_hospital01_apartment | Nika | Normal | 2.98 minutes |
| (Co-op) l4d_hospital02_subway | Nika | Normal | 5.46 minutes |
| (Co-op) l4d_hospital03_sewers | Nika | Normal | 5.73 minutes |
| (Co-op) l4d_hospital04_interior | Nika | Normal | 6.19 minutes |
| (Co-op) l4d_hospital05_rooftop | Nika | Normal | 7.51 minutes |
| (Co-op) l4d_river01_docks | Nika | Advanced | 7.71 minutes |
| (Co-op) l4d_river01_docks | Nika | Advanced | 7.71 minutes |
| (Co-op) l4d_river01_docks | Nika | Normal | 7.87 minutes |
| (Co-op) l4d_river01_docks | Nika | Normal | 7.87 minutes |
| (Co-op) l4d_smalltown01_caves | Nika | Normal | 3.68 minutes |
| (Co-op) l4d_smalltown02_drainage | Nika | Normal | 4.36 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Nika | Normal | 4.48 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Nika | Advanced | 11.03 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Nika | Normal | 4.29 minutes |
| (Co-op) l4d_smalltown05_houseboat | Nika | Advanced | 9.38 minutes |
| (Co-op) l4d_smalltown05_houseboat | Nika | Normal | 9.46 minutes |