Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_viennacalling_city | Choukka | Normal | 17.94 minutes |
| (Co-op) l4d_viennacalling_donauinsel | Choukka | Normal | 18.07 minutes |
| (Co-op) l4d_viennacalling_donauturm | Choukka | Normal | 10.21 minutes |
| (Co-op) l4d_viennacalling_gloomy | Choukka | Normal | 16.31 minutes |
| (Co-op) l4d_viennacalling_kaiserfranz | Choukka | Normal | 13.34 minutes |