No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital02_subway | COBRA | Advanced | 6.89 minutes |
| (Co-op) l4d_hospital03_sewers | COBRA | Advanced | 10.55 minutes |
| (Co-op) l4d_hospital04_interior | COBRA | Advanced | 7.12 minutes |
| (Co-op) l4d_hospital05_rooftop | COBRA | Advanced | 7.24 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | COBRA | Normal | 7.91 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | COBRA | Normal | 7.91 minutes |
| (Co-op) l4d_hospital02_subway | COBRA | Advanced | 6.89 minutes |
| (Co-op) l4d_hospital03_sewers | COBRA | Advanced | 10.55 minutes |
| (Co-op) l4d_hospital04_interior | COBRA | Advanced | 7.12 minutes |
| (Co-op) l4d_hospital05_rooftop | COBRA | Advanced | 7.24 minutes |