Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | | Advanced | 8.17 minutes |
| (Co-op) l4d_airport05_runway | | Advanced | 6.88 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm02_traintunnel | | Expert | 6.08 minutes |
| (Co-op) l4d_farm04_barn | | Advanced | 7.41 minutes |
| (Co-op) l4d_farm05_cornfield | | Advanced | 11.02 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | | Advanced | 8.17 minutes |
| (Co-op) l4d_airport05_runway | | Advanced | 6.88 minutes |
| (Co-op) l4d_farm02_traintunnel | | Expert | 6.08 minutes |
| (Co-op) l4d_farm04_barn | | Advanced | 7.41 minutes |
| (Co-op) l4d_farm05_cornfield | | Advanced | 11.02 minutes |