Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | O.L.Y.A | Advanced | 12.96 minutes |
| (Co-op) l4d_airport03_garage | O.L.Y.A | Advanced | 7.46 minutes |
| (Co-op) l4d_airport04_terminal | O.L.Y.A | Advanced | 5.63 minutes |
| (Co-op) l4d_airport05_runway | O.L.Y.A | Advanced | 5.08 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | O.L.Y.A | Advanced | 4.27 minutes |
| (Co-op) l4d_farm02_traintunnel | O.L.Y.A | Advanced | 5.98 minutes |
| (Co-op) l4d_farm03_bridge | O.L.Y.A | Advanced | 5.73 minutes |
| (Co-op) l4d_farm04_barn | O.L.Y.A | Advanced | 2.75 minutes |
| (Co-op) l4d_farm05_cornfield | O.L.Y.A | Advanced | 5.94 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | O.L.Y.A | Advanced | 12.96 minutes |
| (Co-op) l4d_airport03_garage | O.L.Y.A | Advanced | 7.46 minutes |
| (Co-op) l4d_airport04_terminal | O.L.Y.A | Advanced | 5.63 minutes |
| (Co-op) l4d_airport05_runway | O.L.Y.A | Advanced | 5.08 minutes |
| (Co-op) l4d_farm01_hilltop | O.L.Y.A | Advanced | 4.27 minutes |
| (Co-op) l4d_farm02_traintunnel | O.L.Y.A | Advanced | 5.98 minutes |
| (Co-op) l4d_farm03_bridge | O.L.Y.A | Advanced | 5.73 minutes |
| (Co-op) l4d_farm04_barn | O.L.Y.A | Advanced | 2.75 minutes |
| (Co-op) l4d_farm05_cornfield | O.L.Y.A | Advanced | 5.94 minutes |