No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital02_subway | Sifer | Expert | 7.14 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | Sifer | Expert | 12.12 minutes |
| (Co-op) l4d_airport04_terminal | Sifer | Expert | 7.36 minutes |
Death Toll (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_smalltown04_mainstreet | Sifer | Expert | 6.28 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | Sifer | Expert | 12.12 minutes |
| (Co-op) l4d_airport04_terminal | Sifer | Expert | 7.36 minutes |
| (Co-op) l4d_hospital02_subway | Sifer | Expert | 7.14 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Sifer | Expert | 6.28 minutes |