Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | Diskord | Expert | 9.25 minutes |
| (Co-op) l4d_airport04_terminal | Diskord | Expert | 6.71 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | Diskord | Expert | 5.04 minutes |
| (Co-op) l4d_farm02_traintunnel | Diskord | Expert | 8.06 minutes |
| (Co-op) l4d_farm03_bridge | Diskord | Expert | 10.98 minutes |
| (Co-op) l4d_farm04_barn | Diskord | Expert | 7.43 minutes |
| (Co-op) l4d_farm05_cornfield | Diskord | Expert | 11.69 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | Diskord | Expert | 9.25 minutes |
| (Co-op) l4d_airport04_terminal | Diskord | Expert | 6.71 minutes |
| (Co-op) l4d_farm01_hilltop | Diskord | Expert | 5.04 minutes |
| (Co-op) l4d_farm02_traintunnel | Diskord | Expert | 8.06 minutes |
| (Co-op) l4d_farm03_bridge | Diskord | Expert | 10.98 minutes |
| (Co-op) l4d_farm04_barn | Diskord | Expert | 7.43 minutes |
| (Co-op) l4d_farm05_cornfield | Diskord | Expert | 11.69 minutes |