Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d2_city17_01 | YMCMB | Normal | 7.95 minutes |
| (Co-op) l4d2_city17_02 | YMCMB | Normal | 9.12 minutes |
| (Co-op) l4d2_city17_03 | YMCMB | Normal | 12.08 minutes |
| (Co-op) l4d2_city17_04 | YMCMB | Normal | 16.13 minutes |
| (Co-op) l4d2_city17_05 | YMCMB | Normal | 8.65 minutes |
| (Co-op) l4d2_ravenholmwar_1 | YMCMB | Normal | 11.44 minutes |
| (Co-op) uf1_boulevard | YMCMB | Normal | 12.22 minutes |
| (Co-op) uf2_rooftops | YMCMB | Normal | 21.19 minutes |
| (Co-op) uf3_harbor | YMCMB | Normal | 15.21 minutes |
| (Co-op) uf4_airfield | YMCMB | Normal | 11.11 minutes |