Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d2_city17_01 | βατ21 ® | Normal | 5.28 minutes |
| (Co-op) l4d2_city17_02 | βατ21 ® | Normal | 7.37 minutes |
| (Co-op) l4d2_city17_03 | βατ21 ® | Normal | 9.22 minutes |
| (Co-op) l4d2_city17_04 | βατ21 ® | Normal | 8.30 minutes |
| (Co-op) l4d2_pasiri1 | βατ21 ® | Normal | 17.29 minutes |