Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d2_city17_01 | Singularity | Normal | 4.72 minutes |
| (Co-op) l4d2_city17_02 | Singularity | Normal | 49.67 seconds |
| (Co-op) l4d2_city17_04 | Singularity | Normal | 14.87 minutes |
| (Co-op) l4d2_city17_05 | Singularity | Normal | 8.67 minutes |