Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport05_runway | Comrade | Advanced | 7.73 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm02_traintunnel | Comrade | Advanced | 10.23 minutes |
| (Co-op) l4d_farm03_bridge | Comrade | Advanced | 9.63 minutes |
| (Co-op) l4d_farm04_barn | Comrade | Advanced | 5.28 minutes |
| (Co-op) l4d_farm05_cornfield | Comrade | Advanced | 9.57 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport05_runway | Comrade | Advanced | 7.73 minutes |
| (Co-op) l4d_farm02_traintunnel | Comrade | Advanced | 10.23 minutes |
| (Co-op) l4d_farm03_bridge | Comrade | Advanced | 9.63 minutes |
| (Co-op) l4d_farm04_barn | Comrade | Advanced | 5.28 minutes |
| (Co-op) l4d_farm05_cornfield | Comrade | Advanced | 9.57 minutes |