No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital02_subway | by Pioneer | Advanced | 7.14 minutes |
| (Co-op) l4d_hospital03_sewers | by Pioneer | Advanced | 7.17 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | by Pioneer | Normal | 7.78 minutes |
| (Co-op) l4d_airport03_garage | by Pioneer | Normal | 12.76 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | by Pioneer | Normal | 7.78 minutes |
| (Co-op) l4d_airport03_garage | by Pioneer | Normal | 12.76 minutes |
| (Co-op) l4d_hospital02_subway | by Pioneer | Advanced | 7.14 minutes |
| (Co-op) l4d_hospital03_sewers | by Pioneer | Advanced | 7.17 minutes |