No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway |  Who is this | Normal | 8.46 minutes |
| (Co-op) l4d_hospital03_sewers | Who is this | Normal | 8.81 minutes |
| (Co-op) l4d_hospital04_interior | Who is this | Normal | 6.52 minutes |
| (Co-op) l4d_hospital05_rooftop | Who is this | Normal | 7.66 minutes |
