No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital01_apartment | U.R.A.N | Advanced | 2.34 minutes |
| (Co-op) l4d_hospital02_subway | U.R.A.N | Advanced | 8.27 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport05_runway | U.R.A.N | Normal | 5.88 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm02_traintunnel | U.R.A.N | Expert | 8.49 minutes |
| (Co-op) l4d_farm03_bridge | U.R.A.N | Normal | 8.61 minutes |
| (Co-op) l4d_farm04_barn | U.R.A.N | Normal | 8.42 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport05_runway | U.R.A.N | Normal | 5.88 minutes |
| (Co-op) l4d_farm02_traintunnel | U.R.A.N | Expert | 8.49 minutes |
| (Co-op) l4d_farm03_bridge | U.R.A.N | Normal | 8.61 minutes |
| (Co-op) l4d_farm04_barn | U.R.A.N | Normal | 8.42 minutes |
| (Co-op) l4d_hospital01_apartment | U.R.A.N | Advanced | 2.34 minutes |
| (Co-op) l4d_hospital02_subway | U.R.A.N | Advanced | 8.27 minutes |