Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_river01_docks | Big Brain | Expert | 11.40 minutes |
| (Co-op) l4d_river01_docks | Big Brain | Expert | 11.40 minutes |
| (Co-op) l4d_river02_barge | Big Brain | Expert | 14.51 minutes |
| (Co-op) l4d_river02_barge | Big Brain | Expert | 14.51 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Survival) l4d_farm02_traintunnel | Big Brain | Normal | 8.27 minutes |
| (Survival) l4d_farm02_traintunnel | Big Brain | Normal | 8.27 minutes |
| (Survival) l4d_hospital02_subway | Big Brain | Normal | 3.87 minutes |
| (Survival) l4d_hospital02_subway | Big Brain | Normal | 3.87 minutes |
| (Survival) l4d_smalltown03_ranchhouse | Big Brain | Normal | 4.35 minutes |
| (Survival) l4d_smalltown03_ranchhouse | Big Brain | Normal | 4.35 minutes |
| (Survival) l4d_vs_airport05_runway | Big Brain | Normal | 7.46 minutes |
| (Survival) l4d_vs_airport05_runway | Big Brain | Normal | 7.46 minutes |
| (Survival) l4d_vs_smalltown05_houseboat | Big Brain | Normal | 7.19 minutes |
| (Survival) l4d_vs_smalltown05_houseboat | Big Brain | Normal | 7.19 minutes |