Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | UserX | Normal | 3.06 minutes |
| (Co-op) l4d_airport05_runway | UserX | Advanced | 6.14 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | UserX | Advanced | 9.59 seconds |
| (Co-op) l4d_farm02_traintunnel | UserX | Advanced | 7.71 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | UserX | Normal | 3.06 minutes |
| (Co-op) l4d_airport05_runway | UserX | Advanced | 6.14 minutes |
| (Co-op) l4d_farm01_hilltop | UserX | Advanced | 9.59 seconds |
| (Co-op) l4d_farm02_traintunnel | UserX | Advanced | 7.71 minutes |
| (Co-op) l4d_river01_docks | UserX | Normal | 46.75 seconds |
| (Co-op) l4d_river01_docks | UserX | Normal | 46.75 seconds |
| (Co-op) l4d_river02_barge | UserX | Normal | 7.80 minutes |
| (Co-op) l4d_river02_barge | UserX | Normal | 7.80 minutes |
| (Co-op) l4d_river03_port | UserX | Normal | 7.87 minutes |
| (Co-op) l4d_river03_port | UserX | Normal | 7.87 minutes |