Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | Obormott | Normal | 14.60 minutes |
| (Co-op) l4d_airport04_terminal | Obormott | Normal | 6.81 minutes |
| (Co-op) l4d_airport05_runway | Obormott | Normal | 5.47 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm02_traintunnel | Obormott | Normal | 5.49 minutes |
| (Co-op) l4d_farm03_bridge | Obormott | Normal | 8.64 minutes |
| (Co-op) l4d_farm04_barn | Obormott | Normal | 8.85 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | Obormott | Normal | 14.60 minutes |
| (Co-op) l4d_airport04_terminal | Obormott | Normal | 6.81 minutes |
| (Co-op) l4d_airport05_runway | Obormott | Normal | 5.47 minutes |
| (Co-op) l4d_farm02_traintunnel | Obormott | Normal | 5.49 minutes |
| (Co-op) l4d_farm03_bridge | Obormott | Normal | 8.64 minutes |
| (Co-op) l4d_farm04_barn | Obormott | Normal | 8.85 minutes |