Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_viennacalling_donauinsel | Натали* | Normal | 19.55 minutes |
| (Co-op) l4d_viennacalling_donauturm | Натали* | Normal | 10.42 minutes |
| (Co-op) l4d_viennacalling_gloomy | Натали* | Normal | 17.15 minutes |
| (Co-op) l4d_viennacalling_kaiserfranz | Натали* | Normal | 17.75 minutes |