No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital01_apartment | Atlas | Expert | 2.84 minutes |
| (Co-op) l4d_hospital02_subway | Atlas | Expert | 8.19 minutes |
| (Co-op) l4d_hospital04_interior | Atlas | Advanced | 9.53 minutes |
| (Co-op) l4d_hospital05_rooftop | Atlas | Advanced | 11.39 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | Atlas | Advanced | 13.48 minutes |
| (Co-op) l4d_airport03_garage | Atlas | Normal | 10.21 minutes |
| (Co-op) l4d_airport04_terminal | Atlas | Advanced | 10.56 minutes |
| (Co-op) l4d_airport04_terminal | Atlas | Normal | 7.66 minutes |
| (Co-op) l4d_airport05_runway | Atlas | Normal | 7.63 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | Atlas | Normal | 3.47 minutes |
| (Co-op) l4d_farm02_traintunnel | Atlas | Normal | 5.70 minutes |
| (Co-op) l4d_farm03_bridge | Atlas | Expert | 7.31 minutes |
| (Co-op) l4d_farm03_bridge | Atlas | Normal | 6.28 minutes |
| (Co-op) l4d_farm04_barn | Atlas | Expert | 4.67 minutes |
| (Co-op) l4d_farm04_barn | Atlas | Normal | 4.18 minutes |
| (Co-op) l4d_farm05_cornfield | Atlas | Expert | 12.05 minutes |
| (Co-op) l4d_farm05_cornfield | Atlas | Normal | 7.79 minutes |
Crash Course (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_garage02_lots | Atlas | Expert | 10.59 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | Atlas | Advanced | 13.48 minutes |
| (Co-op) l4d_airport03_garage | Atlas | Normal | 10.21 minutes |
| (Co-op) l4d_airport04_terminal | Atlas | Advanced | 10.56 minutes |
| (Co-op) l4d_airport04_terminal | Atlas | Normal | 7.66 minutes |
| (Co-op) l4d_airport05_runway | Atlas | Normal | 7.63 minutes |
| (Co-op) l4d_farm01_hilltop | Atlas | Normal | 3.47 minutes |
| (Co-op) l4d_farm02_traintunnel | Atlas | Normal | 5.70 minutes |
| (Co-op) l4d_farm03_bridge | Atlas | Expert | 7.31 minutes |
| (Co-op) l4d_farm03_bridge | Atlas | Normal | 6.28 minutes |
| (Co-op) l4d_farm04_barn | Atlas | Expert | 4.67 minutes |
| (Co-op) l4d_farm04_barn | Atlas | Normal | 4.18 minutes |
| (Co-op) l4d_farm05_cornfield | Atlas | Expert | 12.05 minutes |
| (Co-op) l4d_farm05_cornfield | Atlas | Normal | 7.79 minutes |
| (Co-op) l4d_garage02_lots | Atlas | Expert | 10.59 minutes |
| (Co-op) l4d_hospital01_apartment | Atlas | Expert | 2.84 minutes |
| (Co-op) l4d_hospital02_subway | Atlas | Expert | 8.19 minutes |
| (Co-op) l4d_hospital04_interior | Atlas | Advanced | 9.53 minutes |
| (Co-op) l4d_hospital05_rooftop | Atlas | Advanced | 11.39 minutes |
| (Co-op) l4d_river02_barge | Atlas | Advanced | 11.45 minutes |
| (Co-op) l4d_river02_barge | Atlas | Advanced | 11.45 minutes |