Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_viennacalling_city | OttoMan | Normal | 2.44 seconds |
| (Co-op) l4d_viennacalling_donauinsel | OttoMan | Normal | 15.54 minutes |
| (Co-op) l4d_viennacalling_donauturm | OttoMan | Normal | 9.39 minutes |
| (Co-op) l4d_viennacalling_gloomy | OttoMan | Normal | 10.78 minutes |
| (Co-op) l4d_viennacalling_kaiserfranz | OttoMan | Normal | 11.57 minutes |