Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | masterJ | Advanced | 4.90 minutes |
| (Co-op) l4d_airport02_offices | masterJ | Advanced | 10.26 minutes |
| (Co-op) l4d_airport04_terminal | masterJ | Expert | 9.35 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm02_traintunnel | masterJ | Expert | 12.68 minutes |
| (Co-op) l4d_farm03_bridge | masterJ | Expert | 9.13 minutes |
| (Co-op) l4d_farm04_barn | masterJ | Expert | 7.51 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | masterJ | Advanced | 4.90 minutes |
| (Co-op) l4d_airport02_offices | masterJ | Advanced | 10.26 minutes |
| (Co-op) l4d_airport04_terminal | masterJ | Expert | 9.35 minutes |
| (Co-op) l4d_farm02_traintunnel | masterJ | Expert | 12.68 minutes |
| (Co-op) l4d_farm03_bridge | masterJ | Expert | 9.13 minutes |
| (Co-op) l4d_farm04_barn | masterJ | Expert | 7.51 minutes |
| (Co-op) l4d_river03_port | masterJ | Advanced | 13.77 minutes |
| (Co-op) l4d_river03_port | masterJ | Advanced | 13.77 minutes |