Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | Kosif53 | Normal | 1.04 minutes |
| (Co-op) l4d_airport04_terminal | Kosif53 | Normal | 6.00 minutes |
| (Co-op) l4d_airport05_runway | Kosif53 | Normal | 7.52 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | Kosif53 | Normal | 3.46 minutes |
| (Co-op) l4d_farm02_traintunnel | Kosif53 | Normal | 3.68 minutes |
| (Co-op) l4d_farm03_bridge | Kosif53 | Normal | 6.90 minutes |
| (Co-op) l4d_farm04_barn | Kosif53 | Normal | 3.02 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | Kosif53 | Normal | 1.04 minutes |
| (Co-op) l4d_airport04_terminal | Kosif53 | Normal | 6.00 minutes |
| (Co-op) l4d_airport05_runway | Kosif53 | Normal | 7.52 minutes |
| (Co-op) l4d_farm01_hilltop | Kosif53 | Normal | 3.46 minutes |
| (Co-op) l4d_farm02_traintunnel | Kosif53 | Normal | 3.68 minutes |
| (Co-op) l4d_farm03_bridge | Kosif53 | Normal | 6.90 minutes |
| (Co-op) l4d_farm04_barn | Kosif53 | Normal | 3.02 minutes |