No Mercy - Co-op (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Survival) l4d_hospital03_sewers | Dewey Duck | Normal | 6.19 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Survival) l4d_farm03_bridge | Dewey Duck | Normal | 2.70 minutes |
| (Survival) l4d_farm03_bridge | Dewey Duck | Normal | 2.70 minutes |
| (Survival) l4d_hospital03_sewers | Dewey Duck | Normal | 6.19 minutes |
| (Survival) l4d_hospital04_interior | Dewey Duck | Normal | 12.11 minutes |
| (Survival) l4d_hospital04_interior | Dewey Duck | Normal | 12.11 minutes |
| (Survival) l4d_sv_lighthouse | Dewey Duck | Normal | 2.44 minutes |
| (Survival) l4d_sv_lighthouse | Dewey Duck | Normal | 2.44 minutes |
| (Survival) l4d_vs_hospital05_rooftop | Dewey Duck | Normal | 3.88 minutes |
| (Survival) l4d_vs_hospital05_rooftop | Dewey Duck | Normal | 3.88 minutes |