No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital01_apartment | Sertac33 | Expert | 3.60 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | Sertac33 | Expert | 11.52 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm03_bridge | Sertac33 | Expert | 6.04 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | Sertac33 | Expert | 11.52 minutes |
| (Co-op) l4d_farm03_bridge | Sertac33 | Expert | 6.04 minutes |
| (Co-op) l4d_hospital01_apartment | Sertac33 | Expert | 3.60 minutes |
| (Co-op) l4d_river01_docks | Sertac33 | Expert | 9.65 minutes |
| (Co-op) l4d_river01_docks | Sertac33 | Expert | 9.65 minutes |
| (Co-op) l4d_river02_barge | Sertac33 | Expert | 12.16 minutes |
| (Co-op) l4d_river02_barge | Sertac33 | Expert | 12.16 minutes |