Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d2_city17_01 | Thunder56 | Normal | 5.79 minutes |
| (Co-op) l4d2_city17_02 | Thunder56 | Normal | 10.40 minutes |
| (Co-op) l4d2_city17_03 | Thunder56 | Normal | 10.66 minutes |
| (Co-op) l4d2_city17_04 | Thunder56 | Normal | 14.59 minutes |
| (Co-op) l4d2_city17_05 | Thunder56 | Normal | 9.77 minutes |