Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | bу FrеeТР.оrg | Advanced | 2.67 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm03_bridge | bу FrеeТР.оrg | Expert | 16.99 minutes |
| (Co-op) l4d_farm04_barn | bу FrеeТР.оrg | Expert | 6.46 minutes |
| (Co-op) l4d_farm05_cornfield | bу FrеeТР.оrg | Expert | 10.51 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | bу FrеeТР.оrg | Advanced | 2.67 minutes |
| (Co-op) l4d_farm03_bridge | bу FrеeТР.оrg | Expert | 16.99 minutes |
| (Co-op) l4d_farm04_barn | bу FrеeТР.оrg | Expert | 6.46 minutes |
| (Co-op) l4d_farm05_cornfield | bу FrеeТР.оrg | Expert | 10.51 minutes |