Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | KitKat | Advanced | 3.75 minutes |
| (Co-op) l4d_airport02_offices | KitKat | Advanced | 9.83 minutes |
Death Toll (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_smalltown05_houseboat | KitKat | Advanced | 8.60 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | KitKat | Advanced | 3.75 minutes |
| (Co-op) l4d_airport02_offices | KitKat | Advanced | 9.83 minutes |
| (Co-op) l4d_river01_docks | KitKat | Advanced | 9.53 minutes |
| (Co-op) l4d_river01_docks | KitKat | Advanced | 9.53 minutes |
| (Co-op) l4d_river02_barge | KitKat | Advanced | 11.62 minutes |
| (Co-op) l4d_river02_barge | KitKat | Advanced | 11.62 minutes |
| (Co-op) l4d_river03_port | KitKat | Advanced | 8.76 minutes |
| (Co-op) l4d_river03_port | KitKat | Advanced | 8.76 minutes |
| (Co-op) l4d_smalltown05_houseboat | KitKat | Advanced | 8.60 minutes |