No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway |  skylinetofast | Advanced | 8.34 minutes |
| (Co-op) l4d_hospital03_sewers | skylinetofast | Advanced | 7.60 minutes |
| (Co-op) l4d_hospital04_interior | skylinetofast | Advanced | 6.44 minutes |
| (Co-op) l4d_hospital05_rooftop | skylinetofast | Advanced | 8.71 minutes |
