No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital01_apartment | ISAAK09 | Normal | 2.75 minutes |
| (Co-op) l4d_hospital02_subway | ISAAK09 | Normal | 8.28 minutes |
| (Co-op) l4d_hospital03_sewers | ISAAK09 | Normal | 13.51 minutes |
| (Co-op) l4d_hospital05_rooftop | ISAAK09 | Advanced | 13.36 minutes |
Death Toll (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_smalltown01_caves | ISAAK09 | Advanced | 4.80 minutes |
| (Co-op) l4d_smalltown02_drainage | ISAAK09 | Advanced | 3.90 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | ISAAK09 | Advanced | 6.48 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital01_apartment | ISAAK09 | Normal | 2.75 minutes |
| (Co-op) l4d_hospital02_subway | ISAAK09 | Normal | 8.28 minutes |
| (Co-op) l4d_hospital03_sewers | ISAAK09 | Normal | 13.51 minutes |
| (Co-op) l4d_hospital05_rooftop | ISAAK09 | Advanced | 13.36 minutes |
| (Co-op) l4d_smalltown01_caves | ISAAK09 | Advanced | 4.80 minutes |
| (Co-op) l4d_smalltown02_drainage | ISAAK09 | Advanced | 3.90 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | ISAAK09 | Advanced | 6.48 minutes |