Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | ffm09 | Normal | 5.78 minutes |
| (Co-op) l4d_airport05_runway | ffm09 | Normal | 6.79 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | ffm09 | Normal | 3.44 minutes |
| (Co-op) l4d_farm02_traintunnel | ffm09 | Normal | 5.02 minutes |
| (Co-op) l4d_farm04_barn | ffm09 | Advanced | 7.46 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | ffm09 | Normal | 5.78 minutes |
| (Co-op) l4d_airport05_runway | ffm09 | Normal | 6.79 minutes |
| (Co-op) l4d_farm01_hilltop | ffm09 | Normal | 3.44 minutes |
| (Co-op) l4d_farm02_traintunnel | ffm09 | Normal | 5.02 minutes |
| (Co-op) l4d_farm04_barn | ffm09 | Advanced | 7.46 minutes |