No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital03_sewers | bi killer | Expert | 10.78 minutes |
| (Co-op) l4d_hospital03_sewers | bi killer | Advanced | 11.89 minutes |
| (Co-op) l4d_hospital04_interior | bi killer | Expert | 7.43 minutes |
| (Co-op) l4d_hospital04_interior | bi killer | Advanced | 7.48 minutes |
| (Co-op) l4d_hospital05_rooftop | bi killer | Advanced | 14.70 minutes |
Death Toll (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_smalltown02_drainage | bi killer | Advanced | 7.40 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital03_sewers | bi killer | Expert | 10.78 minutes |
| (Co-op) l4d_hospital03_sewers | bi killer | Advanced | 11.89 minutes |
| (Co-op) l4d_hospital04_interior | bi killer | Expert | 7.43 minutes |
| (Co-op) l4d_hospital04_interior | bi killer | Advanced | 7.48 minutes |
| (Co-op) l4d_hospital05_rooftop | bi killer | Advanced | 14.70 minutes |
| (Co-op) l4d_smalltown02_drainage | bi killer | Advanced | 7.40 minutes |