No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment |  IHaveTwoLeftArms | Advanced | 2.72 minutes |
| (Co-op) l4d_hospital02_subway | IHaveTwoLeftArms | Advanced | 5.54 minutes |
| (Co-op) l4d_hospital03_sewers | IHaveTwoLeftArms | Advanced | 7.05 minutes |
| (Co-op) l4d_hospital04_interior | IHaveTwoLeftArms | Advanced | 6.32 minutes |
| (Co-op) l4d_hospital05_rooftop | IHaveTwoLeftArms | Advanced | 7.43 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport05_runway | IHaveTwoLeftArms | Advanced | 7.57 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage02_lots | IHaveTwoLeftArms | Advanced | 15.74 minutes |
