Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | Wave | Expert | 9.02 minutes |
| (Co-op) l4d_airport05_runway | Wave | Expert | 8.98 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | Wave | Expert | 3.86 minutes |
| (Co-op) l4d_farm02_traintunnel | Wave | Expert | 4.65 minutes |
| (Co-op) l4d_farm03_bridge | Wave | Expert | 21.11 minutes |
| (Co-op) l4d_farm04_barn | Wave | Expert | 7.39 minutes |
| (Co-op) l4d_farm05_cornfield | Wave | Expert | 18.23 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | Wave | Expert | 9.02 minutes |
| (Co-op) l4d_airport05_runway | Wave | Expert | 8.98 minutes |
| (Co-op) l4d_farm01_hilltop | Wave | Expert | 3.86 minutes |
| (Co-op) l4d_farm02_traintunnel | Wave | Expert | 4.65 minutes |
| (Co-op) l4d_farm03_bridge | Wave | Expert | 21.11 minutes |
| (Co-op) l4d_farm04_barn | Wave | Expert | 7.39 minutes |
| (Co-op) l4d_farm05_cornfield | Wave | Expert | 18.23 minutes |
| (Co-op) l4d_river02_barge | Wave | Normal | 11.58 minutes |
| (Co-op) l4d_river02_barge | Wave | Normal | 11.58 minutes |