Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Wave | Advanced | 3.30 minutes |
| (Co-op) l4d_airport02_offices | Wave | Advanced | 10.85 minutes |
| (Co-op) l4d_airport03_garage | Wave | Advanced | 11.06 minutes |
| (Co-op) l4d_airport04_terminal | Wave | Advanced | 8.68 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | Wave | Advanced | 3.85 minutes |
| (Co-op) l4d_farm02_traintunnel | Wave | Advanced | 7.26 minutes |
| (Co-op) l4d_farm03_bridge | Wave | Advanced | 14.46 minutes |
| (Co-op) l4d_farm04_barn | Wave | Advanced | 9.46 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Wave | Advanced | 3.30 minutes |
| (Co-op) l4d_airport02_offices | Wave | Advanced | 10.85 minutes |
| (Co-op) l4d_airport03_garage | Wave | Advanced | 11.06 minutes |
| (Co-op) l4d_airport04_terminal | Wave | Advanced | 8.68 minutes |
| (Co-op) l4d_farm01_hilltop | Wave | Advanced | 3.85 minutes |
| (Co-op) l4d_farm02_traintunnel | Wave | Advanced | 7.26 minutes |
| (Co-op) l4d_farm03_bridge | Wave | Advanced | 14.46 minutes |
| (Co-op) l4d_farm04_barn | Wave | Advanced | 9.46 minutes |
| (Co-op) l4d_river03_port | Wave | Advanced | 11.17 minutes |
| (Co-op) l4d_river03_port | Wave | Advanced | 11.17 minutes |