No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital01_apartment | bу FrеeТР.оrg | Expert | 5.05 minutes |
| (Co-op) l4d_hospital02_subway | bу FrеeТР.оrg | Expert | 22.74 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | bу FrеeТР.оrg | Expert | 16.21 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm03_bridge | bу FrеeТР.оrg | Expert | 5.17 minutes |
| (Co-op) l4d_farm04_barn | bу FrеeТР.оrg | Expert | 5.03 minutes |
| (Co-op) l4d_farm05_cornfield | bу FrеeТР.оrg | Expert | 10.26 minutes |
Crash Course (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_garage02_lots | bу FrеeТР.оrg | Expert | 12.75 minutes |