Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_viennacalling_donauinsel | Chuck Greene | Normal | 21.37 minutes |
| (Co-op) l4d_viennacalling_donauturm | Chuck Greene | Normal | 9.86 minutes |
| (Co-op) l4d_viennacalling_gloomy | Chuck Greene | Normal | 13.18 minutes |
| (Co-op) l4d_viennacalling_kaiserfranz | Chuck Greene | Normal | 10.24 minutes |