Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport05_runway | | Expert | 9.95 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm03_bridge | | Expert | 10.43 minutes |
| (Co-op) l4d_farm04_barn | | Expert | 9.89 minutes |
| (Co-op) l4d_farm05_cornfield | | Expert | 11.52 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport05_runway | | Expert | 9.95 minutes |
| (Co-op) l4d_farm03_bridge | | Expert | 10.43 minutes |
| (Co-op) l4d_farm04_barn | | Expert | 9.89 minutes |
| (Co-op) l4d_farm05_cornfield | | Expert | 11.52 minutes |