Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | by Pioneer | Advanced | 7.21 minutes |
| (Co-op) l4d_airport05_runway | by Pioneer | Advanced | 8.05 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | by Pioneer | Advanced | 4.27 minutes |
| (Co-op) l4d_farm02_traintunnel | by Pioneer | Advanced | 4.12 minutes |
| (Co-op) l4d_farm03_bridge | by Pioneer | Advanced | 5.01 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | by Pioneer | Advanced | 7.21 minutes |
| (Co-op) l4d_airport05_runway | by Pioneer | Advanced | 8.05 minutes |
| (Co-op) l4d_farm01_hilltop | by Pioneer | Advanced | 4.27 minutes |
| (Co-op) l4d_farm02_traintunnel | by Pioneer | Advanced | 4.12 minutes |
| (Co-op) l4d_farm03_bridge | by Pioneer | Advanced | 5.01 minutes |