No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway |  Billy Badass | Normal | 5.43 minutes |
| (Co-op) l4d_hospital03_sewers | Billy Badass | Normal | 7.94 minutes |
| (Co-op) l4d_hospital04_interior | Billy Badass | Normal | 6.14 minutes |
| (Co-op) l4d_hospital05_rooftop | Billy Badass | Normal | 7.92 minutes |
