Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | BOB | Normal | 5.84 minutes |
| (Co-op) l4d_airport05_runway | BOB | Normal | 5.85 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | BOB | Normal | 2.84 minutes |
| (Co-op) l4d_farm02_traintunnel | BOB | Normal | 6.65 minutes |
| (Co-op) l4d_farm03_bridge | BOB | Normal | 4.19 minutes |
| (Co-op) l4d_farm04_barn | BOB | Normal | 4.99 minutes |
| (Co-op) l4d_farm05_cornfield | BOB | Normal | 8.58 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | BOB | Normal | 5.84 minutes |
| (Co-op) l4d_airport05_runway | BOB | Normal | 5.85 minutes |
| (Co-op) l4d_farm01_hilltop | BOB | Normal | 2.84 minutes |
| (Co-op) l4d_farm02_traintunnel | BOB | Normal | 6.65 minutes |
| (Co-op) l4d_farm03_bridge | BOB | Normal | 4.19 minutes |
| (Co-op) l4d_farm04_barn | BOB | Normal | 4.99 minutes |
| (Co-op) l4d_farm05_cornfield | BOB | Normal | 8.58 minutes |