No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital01_apartment | Dewey Duck | Expert | 5.80 minutes |
| (Co-op) l4d_hospital02_subway | Dewey Duck | Expert | 17.43 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital01_apartment | Dewey Duck | Expert | 5.80 minutes |
| (Co-op) l4d_hospital02_subway | Dewey Duck | Expert | 17.43 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Survival) l4d_hospital04_interior | Dewey Duck | Normal | 4.44 minutes |
| (Survival) l4d_hospital04_interior | Dewey Duck | Normal | 4.44 minutes |
| (Survival) l4d_smalltown04_mainstreet | Dewey Duck | Normal | 4.14 minutes |
| (Survival) l4d_smalltown04_mainstreet | Dewey Duck | Normal | 4.14 minutes |
| (Survival) l4d_vs_hospital05_rooftop | Dewey Duck | Normal | 5.77 minutes |
| (Survival) l4d_vs_hospital05_rooftop | Dewey Duck | Normal | 5.77 minutes |