No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment |  David Lee Roth | Expert | 4.76 minutes |
| (Co-op) l4d_hospital02_subway | David Lee Roth | Expert | 8.96 minutes |
| (Co-op) l4d_hospital03_sewers | David Lee Roth | Expert | 8.73 minutes |
| (Co-op) l4d_hospital04_interior | David Lee Roth | Expert | 6.37 minutes |
