No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital02_subway | TIxi | Normal | 8.39 minutes |
| (Co-op) l4d_hospital03_sewers | TIxi | Normal | 7.96 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | TIxi | Advanced | 2.83 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | TIxi | Advanced | 2.83 minutes |
| (Co-op) l4d_hospital02_subway | TIxi | Normal | 8.39 minutes |
| (Co-op) l4d_hospital03_sewers | TIxi | Normal | 7.96 minutes |
| (Co-op) l4d_river03_port | TIxi | Advanced | 8.98 minutes |
| (Co-op) l4d_river03_port | TIxi | Advanced | 8.98 minutes |