Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_viennacalling_city | Rjven | Advanced | 15.23 minutes |
| (Co-op) l4d_viennacalling_donauinsel | Rjven | Advanced | 12.20 minutes |
| (Co-op) l4d_viennacalling_donauturm | Rjven | Advanced | 10.14 minutes |
| (Co-op) l4d_viennacalling_gloomy | Rjven | Advanced | 8.11 minutes |
| (Co-op) l4d_viennacalling_kaiserfranz | Rjven | Advanced | 8.64 minutes |