Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_149_1 | Nerell | Normal | 13.09 minutes |
| (Co-op) l4d_149_2 | Nerell | Normal | 17.07 minutes |
| (Co-op) l4d_149_3 | Nerell | Normal | 10.85 minutes |
| (Co-op) l4d_149_4 | Nerell | Normal | 7.00 minutes |
| (Co-op) l4d_149_5 | Nerell | Normal | 7.49 minutes |