Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | xXx | Advanced | 13.48 minutes |
| (Co-op) l4d_airport03_garage | xXx | Advanced | 8.76 minutes |
Death Toll (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_smalltown01_caves | xXx | Normal | 25.60 seconds |
| (Co-op) l4d_smalltown05_houseboat | xXx | Normal | 9.83 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | xXx | Advanced | 13.48 minutes |
| (Co-op) l4d_airport03_garage | xXx | Advanced | 8.76 minutes |
| (Co-op) l4d_smalltown01_caves | xXx | Normal | 25.60 seconds |
| (Co-op) l4d_smalltown05_houseboat | xXx | Normal | 9.83 minutes |