Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | BOSS | Normal | 8.54 minutes |
| (Co-op) l4d_airport05_runway | BOSS | Normal | 8.58 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | BOSS | Normal | 3.66 minutes |
| (Co-op) l4d_farm02_traintunnel | BOSS | Normal | 4.45 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | BOSS | Normal | 8.54 minutes |
| (Co-op) l4d_airport05_runway | BOSS | Normal | 8.58 minutes |
| (Co-op) l4d_farm01_hilltop | BOSS | Normal | 3.66 minutes |
| (Co-op) l4d_farm02_traintunnel | BOSS | Normal | 4.45 minutes |