Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Master✰A | Expert | 3.75 minutes |
| (Co-op) l4d_airport02_offices | Master✰A | Expert | 8.70 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm04_barn | Master✰A | Advanced | 7.09 minutes |
| (Co-op) l4d_farm05_cornfield | Master✰A | Advanced | 13.97 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Master✰A | Expert | 3.75 minutes |
| (Co-op) l4d_airport02_offices | Master✰A | Expert | 8.70 minutes |
| (Co-op) l4d_farm04_barn | Master✰A | Advanced | 7.09 minutes |
| (Co-op) l4d_farm05_cornfield | Master✰A | Advanced | 13.97 minutes |