No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital05_rooftop | Sertac33 | Expert | 9.00 minutes |
Crash Course (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_garage01_alleys | Sertac33 | Expert | 14.66 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_garage01_alleys | Sertac33 | Expert | 14.66 minutes |
| (Co-op) l4d_hospital05_rooftop | Sertac33 | Expert | 9.00 minutes |
| (Co-op) l4d_river03_port | Sertac33 | Advanced | 11.14 minutes |
| (Co-op) l4d_river03_port | Sertac33 | Advanced | 11.14 minutes |