No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway |  David Guetta | Normal | 9.16 minutes |
| (Co-op) l4d_hospital03_sewers | David Guetta | Normal | 7.30 minutes |
| (Co-op) l4d_hospital04_interior | David Guetta | Normal | 7.32 minutes |
| (Co-op) l4d_hospital05_rooftop | David Guetta | Normal | 6.47 minutes |
