Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | m.bulgak | Normal | 5.92 minutes |
| (Co-op) l4d_airport03_garage | m.bulgak | Normal | 5.71 minutes |
| (Co-op) l4d_airport04_terminal | m.bulgak | Normal | 9.42 minutes |
| (Co-op) l4d_airport05_runway | m.bulgak | Normal | 7.94 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | m.bulgak | Normal | 7.05 minutes |
| (Co-op) l4d_farm02_traintunnel | m.bulgak | Normal | 7.67 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | m.bulgak | Normal | 5.92 minutes |
| (Co-op) l4d_airport03_garage | m.bulgak | Normal | 5.71 minutes |
| (Co-op) l4d_airport04_terminal | m.bulgak | Normal | 9.42 minutes |
| (Co-op) l4d_airport05_runway | m.bulgak | Normal | 7.94 minutes |
| (Co-op) l4d_farm01_hilltop | m.bulgak | Normal | 7.05 minutes |
| (Co-op) l4d_farm02_traintunnel | m.bulgak | Normal | 7.67 minutes |