No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital02_subway | | Advanced | 5.47 minutes |
| (Co-op) l4d_hospital03_sewers | | Advanced | 6.49 minutes |
| (Co-op) l4d_hospital04_interior | | Advanced | 5.48 minutes |
| (Co-op) l4d_hospital05_rooftop | | Advanced | 8.29 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport05_runway | | Advanced | 10.62 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport05_runway | | Advanced | 10.62 minutes |
| (Co-op) l4d_hospital02_subway | | Advanced | 5.47 minutes |
| (Co-op) l4d_hospital03_sewers | | Advanced | 6.49 minutes |
| (Co-op) l4d_hospital04_interior | | Advanced | 5.48 minutes |
| (Co-op) l4d_hospital05_rooftop | | Advanced | 8.29 minutes |