No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital02_subway | David Guetta | Advanced | 12.36 minutes |
| (Co-op) l4d_hospital03_sewers | David Guetta | Expert | 12.71 minutes |
| (Co-op) l4d_hospital04_interior | David Guetta | Expert | 6.81 minutes |
Death Toll (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_smalltown01_caves | David Guetta | Expert | 5.76 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital02_subway | David Guetta | Advanced | 12.36 minutes |
| (Co-op) l4d_hospital03_sewers | David Guetta | Expert | 12.71 minutes |
| (Co-op) l4d_hospital04_interior | David Guetta | Expert | 6.81 minutes |
| (Co-op) l4d_smalltown01_caves | David Guetta | Expert | 5.76 minutes |