No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway |  Mariachi_Walrus | Advanced | 5.64 minutes |
| (Co-op) l4d_hospital03_sewers | Mariachi_Walrus | Advanced | 9.72 minutes |
| (Co-op) l4d_hospital04_interior | Mariachi_Walrus | Advanced | 8.27 minutes |
| (Co-op) l4d_hospital05_rooftop | Mariachi_Walrus | Advanced | 8.71 minutes |
