Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d2_city17_02 | Czerwony | Advanced | 10.30 minutes |
| (Co-op) l4d2_city17_03 | Czerwony | Advanced | 8.14 minutes |
| (Co-op) l4d2_city17_04 | Czerwony | Advanced | 10.89 minutes |
| (Co-op) l4d2_city17_05 | Czerwony | Advanced | 9.52 minutes |