Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | ARAb | Expert | 9.37 minutes |
| (Co-op) l4d_airport05_runway | ARAb | Expert | 16.93 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm02_traintunnel | ARAb | Expert | 8.84 minutes |
| (Co-op) l4d_farm03_bridge | ARAb | Advanced | 11.76 minutes |
| (Co-op) l4d_farm04_barn | ARAb | Advanced | 8.95 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | ARAb | Expert | 9.37 minutes |
| (Co-op) l4d_airport05_runway | ARAb | Expert | 16.93 minutes |
| (Co-op) l4d_farm02_traintunnel | ARAb | Expert | 8.84 minutes |
| (Co-op) l4d_farm03_bridge | ARAb | Advanced | 11.76 minutes |
| (Co-op) l4d_farm04_barn | ARAb | Advanced | 8.95 minutes |