Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | TY | Advanced | 9.69 minutes |
| (Co-op) l4d_airport04_terminal | TY | Advanced | 4.87 minutes |
| (Co-op) l4d_airport05_runway | TY | Advanced | 6.82 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm03_bridge | TY | Advanced | 6.10 minutes |
| (Co-op) l4d_farm04_barn | TY | Advanced | 4.86 minutes |
| (Co-op) l4d_farm05_cornfield | TY | Advanced | 8.35 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | TY | Advanced | 9.69 minutes |
| (Co-op) l4d_airport04_terminal | TY | Advanced | 4.87 minutes |
| (Co-op) l4d_airport05_runway | TY | Advanced | 6.82 minutes |
| (Co-op) l4d_farm03_bridge | TY | Advanced | 6.10 minutes |
| (Co-op) l4d_farm04_barn | TY | Advanced | 4.86 minutes |
| (Co-op) l4d_farm05_cornfield | TY | Advanced | 8.35 minutes |