Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_deathaboard01_prison | Maizmo™ | Advanced | 3.55 minutes |
| (Co-op) l4d_deathaboard02_yard | Maizmo™ | Advanced | 5.18 minutes |
| (Co-op) l4d_deathaboard03_docks | Maizmo™ | Advanced | 4.89 minutes |
| (Co-op) l4d_deathaboard04_ship | Maizmo™ | Advanced | 5.35 minutes |