Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_deathaboard01_prison | dr.ProfessorGTA | Normal | 6.25 minutes |
| (Co-op) l4d_deathaboard02_yard | dr.ProfessorGTA | Normal | 9.55 minutes |
| (Co-op) l4d_deathaboard03_docks | dr.ProfessorGTA | Normal | 7.96 minutes |
| (Co-op) l4d_deathaboard04_ship | dr.ProfessorGTA | Normal | 7.28 minutes |