Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport05_runway | | Advanced | 10.65 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | | Advanced | 4.20 minutes |
| (Co-op) l4d_farm02_traintunnel | | Advanced | 9.09 minutes |
| (Co-op) l4d_farm03_bridge | | Advanced | 9.17 minutes |
| (Co-op) l4d_farm04_barn | | Advanced | 5.66 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport05_runway | | Advanced | 10.65 minutes |
| (Co-op) l4d_farm01_hilltop | | Advanced | 4.20 minutes |
| (Co-op) l4d_farm02_traintunnel | | Advanced | 9.09 minutes |
| (Co-op) l4d_farm03_bridge | | Advanced | 9.17 minutes |
| (Co-op) l4d_farm04_barn | | Advanced | 5.66 minutes |