No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital03_sewers | Bulo4ka | Normal | 8.40 minutes |
| (Co-op) l4d_hospital04_interior | Bulo4ka | Normal | 11.34 minutes |
| (Co-op) l4d_hospital05_rooftop | Bulo4ka | Advanced | 10.46 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Bulo4ka | Normal | 10.33 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Bulo4ka | Normal | 10.33 minutes |
| (Co-op) l4d_hospital03_sewers | Bulo4ka | Normal | 8.40 minutes |
| (Co-op) l4d_hospital04_interior | Bulo4ka | Normal | 11.34 minutes |
| (Co-op) l4d_hospital05_rooftop | Bulo4ka | Advanced | 10.46 minutes |
| (Co-op) l4d_river03_port | Bulo4ka | Advanced | 10.53 minutes |
| (Co-op) l4d_river03_port | Bulo4ka | Advanced | 10.53 minutes |