Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | CRUMBLEMAN | Normal | 3.72 minutes |
| (Co-op) l4d_airport02_offices | CRUMBLEMAN | Advanced | 8.98 minutes |
| (Co-op) l4d_airport02_offices | CRUMBLEMAN | Normal | 8.48 minutes |
| (Co-op) l4d_airport03_garage | CRUMBLEMAN | Normal | 7.84 minutes |
| (Co-op) l4d_airport04_terminal | CRUMBLEMAN | Normal | 6.49 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | CRUMBLEMAN | Expert | 4.50 minutes |
| (Co-op) l4d_farm02_traintunnel | CRUMBLEMAN | Expert | 7.28 minutes |
| (Co-op) l4d_farm03_bridge | CRUMBLEMAN | Expert | 8.53 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | CRUMBLEMAN | Normal | 3.72 minutes |
| (Co-op) l4d_airport02_offices | CRUMBLEMAN | Advanced | 8.98 minutes |
| (Co-op) l4d_airport02_offices | CRUMBLEMAN | Normal | 8.48 minutes |
| (Co-op) l4d_airport03_garage | CRUMBLEMAN | Normal | 7.84 minutes |
| (Co-op) l4d_airport04_terminal | CRUMBLEMAN | Normal | 6.49 minutes |
| (Co-op) l4d_farm01_hilltop | CRUMBLEMAN | Expert | 4.50 minutes |
| (Co-op) l4d_farm02_traintunnel | CRUMBLEMAN | Expert | 7.28 minutes |
| (Co-op) l4d_farm03_bridge | CRUMBLEMAN | Expert | 8.53 minutes |
| (Co-op) l4d_river03_port | CRUMBLEMAN | Advanced | 9.20 minutes |
| (Co-op) l4d_river03_port | CRUMBLEMAN | Advanced | 9.20 minutes |