No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment |  David Guetta | Normal | 4.57 minutes |
| (Co-op) l4d_hospital02_subway | David Guetta | Normal | 13.46 minutes |
| (Co-op) l4d_hospital03_sewers | David Guetta | Normal | 11.62 minutes |
| (Co-op) l4d_hospital04_interior | David Guetta | Normal | 6.77 minutes |
| (Co-op) l4d_hospital05_rooftop | David Guetta | Normal | 9.61 minutes |
