Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  cosmingrad9901 | Advanced | 3.68 minutes |
| (Co-op) l4d_airport02_offices | cosmingrad9901 | Advanced | 16.07 minutes |
| (Co-op) l4d_airport03_garage | cosmingrad9901 | Advanced | 14.24 minutes |
| (Co-op) l4d_airport04_terminal | cosmingrad9901 | Advanced | 9.23 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | cosmingrad9901 | Advanced | 3.56 minutes |
| (Co-op) l4d_farm02_traintunnel | cosmingrad9901 | Advanced | 13.16 minutes |
| (Co-op) l4d_farm03_bridge | cosmingrad9901 | Advanced | 12.78 minutes |
| (Co-op) l4d_farm04_barn | cosmingrad9901 | Advanced | 11.60 minutes |
| (Co-op) l4d_farm05_cornfield | cosmingrad9901 | Advanced | 11.32 minutes |
