Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_deathaboard02_yard | Master Walrus | Normal | 9.15 minutes |
| (Co-op) l4d_deathaboard03_docks | Master Walrus | Normal | 8.56 minutes |
| (Co-op) l4d_deathaboard04_ship | Master Walrus | Normal | 7.77 minutes |
| (Co-op) l4d_deathaboard05_light | Master Walrus | Normal | 10.78 minutes |