Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Mutations) l4d_viennacalling_city | the duck of death | Normal | 14.84 minutes |
| (Mutations) l4d_viennacalling_gloomy | the duck of death | Normal | 12.26 minutes |
| (Mutations) l4d_viennacalling_kaiserfranz | the duck of death | Normal | 10.39 minutes |