Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_149_1 | Kalsenn | Normal | 13.08 minutes |
| (Co-op) l4d_149_2 | Kalsenn | Normal | 15.62 minutes |
| (Co-op) l4d_149_3 | Kalsenn | Normal | 12.89 minutes |
| (Co-op) l4d_149_4 | Kalsenn | Normal | 11.19 minutes |
| (Co-op) l4d_149_5 | Kalsenn | Normal | 9.76 minutes |