Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Wave | Advanced | 3.84 minutes |
| (Co-op) l4d_airport02_offices | Wave | Advanced | 12.14 minutes |
| (Co-op) l4d_airport04_terminal | Wave | Expert | 7.51 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm04_barn | Wave | Expert | 8.44 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Wave | Advanced | 3.84 minutes |
| (Co-op) l4d_airport02_offices | Wave | Advanced | 12.14 minutes |
| (Co-op) l4d_airport04_terminal | Wave | Expert | 7.51 minutes |
| (Co-op) l4d_farm04_barn | Wave | Expert | 8.44 minutes |