Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | non-steam | Advanced | 4.10 minutes |
| (Co-op) l4d_airport03_garage | non-steam | Advanced | 11.30 minutes |
| (Co-op) l4d_airport04_terminal | non-steam | Advanced | 9.51 minutes |
| (Co-op) l4d_airport05_runway | non-steam | Advanced | 12.33 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm02_traintunnel | non-steam | Advanced | 9.00 minutes |
| (Co-op) l4d_farm03_bridge | non-steam | Advanced | 6.61 minutes |
| (Co-op) l4d_farm04_barn | non-steam | Advanced | 4.56 minutes |
| (Co-op) l4d_farm05_cornfield | non-steam | Advanced | 11.07 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | non-steam | Advanced | 4.10 minutes |
| (Co-op) l4d_airport03_garage | non-steam | Advanced | 11.30 minutes |
| (Co-op) l4d_airport04_terminal | non-steam | Advanced | 9.51 minutes |
| (Co-op) l4d_airport05_runway | non-steam | Advanced | 12.33 minutes |
| (Co-op) l4d_farm02_traintunnel | non-steam | Advanced | 9.00 minutes |
| (Co-op) l4d_farm03_bridge | non-steam | Advanced | 6.61 minutes |
| (Co-op) l4d_farm04_barn | non-steam | Advanced | 4.56 minutes |
| (Co-op) l4d_farm05_cornfield | non-steam | Advanced | 11.07 minutes |
| (Co-op) l4d_river03_port | non-steam | Advanced | 13.65 minutes |
| (Co-op) l4d_river03_port | non-steam | Advanced | 13.65 minutes |