Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport05_runway | David Guetta | Expert | 11.11 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | David Guetta | Expert | 47.44 seconds |
| (Co-op) l4d_farm03_bridge | David Guetta | Advanced | 18.89 minutes |
| (Co-op) l4d_farm04_barn | David Guetta | Advanced | 10.22 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport05_runway | David Guetta | Expert | 11.11 minutes |
| (Co-op) l4d_farm01_hilltop | David Guetta | Expert | 47.44 seconds |
| (Co-op) l4d_farm03_bridge | David Guetta | Advanced | 18.89 minutes |
| (Co-op) l4d_farm04_barn | David Guetta | Advanced | 10.22 minutes |