Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport05_runway | [UA]by Pioneer | Expert | 5.45 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | [UA]by Pioneer | Expert | 6.39 minutes |
| (Co-op) l4d_farm02_traintunnel | [UA]by Pioneer | Expert | 3.70 minutes |
| (Co-op) l4d_farm03_bridge | [UA]by Pioneer | Expert | 6.62 minutes |
| (Co-op) l4d_farm04_barn | [UA]by Pioneer | Expert | 9.18 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport05_runway | [UA]by Pioneer | Expert | 5.45 minutes |
| (Co-op) l4d_farm01_hilltop | [UA]by Pioneer | Expert | 6.39 minutes |
| (Co-op) l4d_farm02_traintunnel | [UA]by Pioneer | Expert | 3.70 minutes |
| (Co-op) l4d_farm03_bridge | [UA]by Pioneer | Expert | 6.62 minutes |
| (Co-op) l4d_farm04_barn | [UA]by Pioneer | Expert | 9.18 minutes |