No Mercy - Co-op (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Survival) l4d_hospital03_sewers | Sonic | Normal | 4.63 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Survival) l4d_airport02_offices | Sonic | Normal | 2.66 minutes |
| (Survival) l4d_airport02_offices | Sonic | Normal | 2.66 minutes |
| (Survival) l4d_farm03_bridge | Sonic | Normal | 16.53 minutes |
| (Survival) l4d_farm03_bridge | Sonic | Normal | 16.53 minutes |
| (Survival) l4d_hospital03_sewers | Sonic | Normal | 4.63 minutes |
| (Survival) l4d_river01_docks | Sonic | Normal | 3.08 minutes |
| (Survival) l4d_river01_docks | Sonic | Normal | 3.08 minutes |