Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_deathaboard01_prison | Bytost | Advanced | 12.49 minutes |
| (Co-op) l4d_deathaboard02_yard | Bytost | Advanced | 10.30 minutes |
| (Co-op) l4d_deathaboard03_docks | Bytost | Advanced | 10.50 minutes |
| (Co-op) l4d_deathaboard04_ship | Bytost | Advanced | 14.46 minutes |
| (Co-op) l4d_noe2 | Bytost | Advanced | 24.00 minutes |