Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_149_1 | Smoky | Normal | 11.00 minutes |
| (Co-op) l4d_149_2 | Smoky | Normal | 13.23 minutes |
| (Co-op) l4d_149_3 | Smoky | Normal | 9.43 minutes |
| (Co-op) l4d_149_4 | Smoky | Normal | 10.12 minutes |
| (Co-op) l4d_149_5 | Smoky | Normal | 7.46 minutes |