No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway |  David Guetta | Normal | 10.59 minutes |
| (Co-op) l4d_hospital03_sewers | David Guetta | Normal | 11.71 minutes |
| (Co-op) l4d_hospital04_interior | David Guetta | Normal | 7.78 minutes |
| (Co-op) l4d_hospital05_rooftop | David Guetta | Normal | 8.33 minutes |
