Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | Wave | Expert | 10.18 minutes |
| (Co-op) l4d_airport04_terminal | Wave | Expert | 8.14 minutes |
| (Co-op) l4d_airport05_runway | Wave | Expert | 10.31 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | Wave | Expert | 5.19 minutes |
| (Co-op) l4d_farm02_traintunnel | Wave | Expert | 8.60 minutes |
| (Co-op) l4d_farm03_bridge | Wave | Expert | 8.29 minutes |
| (Co-op) l4d_farm04_barn | Wave | Expert | 5.74 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | Wave | Expert | 10.18 minutes |
| (Co-op) l4d_airport04_terminal | Wave | Expert | 8.14 minutes |
| (Co-op) l4d_airport05_runway | Wave | Expert | 10.31 minutes |
| (Co-op) l4d_farm01_hilltop | Wave | Expert | 5.19 minutes |
| (Co-op) l4d_farm02_traintunnel | Wave | Expert | 8.60 minutes |
| (Co-op) l4d_farm03_bridge | Wave | Expert | 8.29 minutes |
| (Co-op) l4d_farm04_barn | Wave | Expert | 5.74 minutes |
| (Co-op) l4d_river01_docks | Wave | Expert | 9.87 minutes |
| (Co-op) l4d_river01_docks | Wave | Expert | 9.87 minutes |
| (Co-op) l4d_river02_barge | Wave | Expert | 9.05 minutes |
| (Co-op) l4d_river02_barge | Wave | Expert | 9.05 minutes |
| (Co-op) l4d_river03_port | Wave | Expert | 13.15 minutes |
| (Co-op) l4d_river03_port | Wave | Expert | 13.15 minutes |