Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_149_1 | Chief. | Advanced | 18.68 minutes |
| (Co-op) l4d_149_2 | Chief. | Advanced | 12.33 minutes |
| (Co-op) l4d_149_3 | Chief. | Advanced | 13.51 minutes |
| (Co-op) l4d_149_4 | Chief. | Advanced | 13.85 minutes |
| (Co-op) l4d_149_5 | Chief. | Advanced | 8.70 minutes |