No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway |  Detective Fierce | Normal | 7.20 minutes |
| (Co-op) l4d_hospital03_sewers | Detective Fierce | Normal | 8.86 minutes |
| (Co-op) l4d_hospital04_interior | Detective Fierce | Normal | 5.78 minutes |
| (Co-op) l4d_hospital05_rooftop | Detective Fierce | Normal | 6.98 minutes |
