No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway |  dubiemack_86 | Advanced | 11.77 minutes |
| (Co-op) l4d_hospital03_sewers | dubiemack_86 | Advanced | 8.80 minutes |
| (Co-op) l4d_hospital04_interior | dubiemack_86 | Advanced | 6.90 minutes |
| (Co-op) l4d_hospital05_rooftop | dubiemack_86 | Advanced | 6.52 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices | dubiemack_86 | Advanced | 8.75 minutes |
| (Co-op) l4d_airport03_garage | dubiemack_86 | Advanced | 9.70 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage02_lots | dubiemack_86 | Advanced | 14.48 minutes |
