Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | 31 | Expert | 3.12 minutes |
| (Co-op) l4d_airport02_offices | 31 | Expert | 12.34 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | 31 | Expert | 4.89 minutes |
| (Co-op) l4d_farm02_traintunnel | 31 | Expert | 10.33 minutes |
| (Co-op) l4d_farm03_bridge | 31 | Expert | 12.40 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | 31 | Expert | 3.12 minutes |
| (Co-op) l4d_airport02_offices | 31 | Expert | 12.34 minutes |
| (Co-op) l4d_farm01_hilltop | 31 | Expert | 4.89 minutes |
| (Co-op) l4d_farm02_traintunnel | 31 | Expert | 10.33 minutes |
| (Co-op) l4d_farm03_bridge | 31 | Expert | 12.40 minutes |
| (Co-op) l4d_river03_port | 31 | Expert | 12.93 minutes |
| (Co-op) l4d_river03_port | 31 | Expert | 12.93 minutes |