No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital01_apartment | Louie Duck | Expert | 5.35 minutes |
| (Co-op) l4d_hospital02_subway | Louie Duck | Expert | 10.26 minutes |
| (Co-op) l4d_hospital03_sewers | Louie Duck | Expert | 11.82 minutes |
| (Co-op) l4d_hospital04_interior | Louie Duck | Expert | 8.27 minutes |
| (Co-op) l4d_hospital05_rooftop | Louie Duck | Expert | 7.64 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | Louie Duck | Normal | 34.81 seconds |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | Louie Duck | Normal | 34.81 seconds |
| (Co-op) l4d_hospital01_apartment | Louie Duck | Expert | 5.35 minutes |
| (Co-op) l4d_hospital02_subway | Louie Duck | Expert | 10.26 minutes |
| (Co-op) l4d_hospital03_sewers | Louie Duck | Expert | 11.82 minutes |
| (Co-op) l4d_hospital04_interior | Louie Duck | Expert | 8.27 minutes |
| (Co-op) l4d_hospital05_rooftop | Louie Duck | Expert | 7.64 minutes |
No Mercy - Co-op (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Survival) l4d_hospital03_sewers | Louie Duck | Normal | 6.23 minutes |
Death Toll - Co-op (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Survival) l4d_smalltown02_drainage | Louie Duck | Normal | 4.71 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Survival) l4d_hospital03_sewers | Louie Duck | Normal | 6.23 minutes |
| (Survival) l4d_smalltown02_drainage | Louie Duck | Normal | 4.71 minutes |
| (Survival) l4d_smalltown04_mainstreet | Louie Duck | Normal | 4.06 minutes |
| (Survival) l4d_smalltown04_mainstreet | Louie Duck | Normal | 4.06 minutes |
| (Survival) l4d_sv_lighthouse | Louie Duck | Normal | 5.10 minutes |
| (Survival) l4d_sv_lighthouse | Louie Duck | Normal | 5.10 minutes |