No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway |  David Guetta | Normal | 10.18 minutes |
| (Co-op) l4d_hospital03_sewers | David Guetta | Normal | 14.79 minutes |
| (Co-op) l4d_hospital04_interior | David Guetta | Normal | 8.13 minutes |
| (Co-op) l4d_hospital05_rooftop | David Guetta | Normal | 7.61 minutes |
