Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport03_garage | CbIpHbIu_DuaBeT | Expert | 10.49 minutes |
| (Co-op) l4d_airport04_terminal | CbIpHbIu_DuaBeT | Expert | 8.37 minutes |
| (Co-op) l4d_airport05_runway | CbIpHbIu_DuaBeT | Expert | 8.50 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | CbIpHbIu_DuaBeT | Expert | 4.33 minutes |
| (Co-op) l4d_farm02_traintunnel | CbIpHbIu_DuaBeT | Expert | 6.90 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport03_garage | CbIpHbIu_DuaBeT | Expert | 10.49 minutes |
| (Co-op) l4d_airport04_terminal | CbIpHbIu_DuaBeT | Expert | 8.37 minutes |
| (Co-op) l4d_airport05_runway | CbIpHbIu_DuaBeT | Expert | 8.50 minutes |
| (Co-op) l4d_farm01_hilltop | CbIpHbIu_DuaBeT | Expert | 4.33 minutes |
| (Co-op) l4d_farm02_traintunnel | CbIpHbIu_DuaBeT | Expert | 6.90 minutes |