Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | RU_FLAFFY-YT | Normal | 3.45 minutes |
| (Co-op) l4d_airport02_offices | RU_FLAFFY-YT | Advanced | 8.76 minutes |
| (Co-op) l4d_airport03_garage | RU_FLAFFY-YT | Advanced | 10.65 minutes |
| (Co-op) l4d_airport04_terminal | RU_FLAFFY-YT | Advanced | 9.18 minutes |
| (Co-op) l4d_airport05_runway | RU_FLAFFY-YT | Advanced | 7.96 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | RU_FLAFFY-YT | Advanced | 5.17 minutes |
| (Co-op) l4d_farm02_traintunnel | RU_FLAFFY-YT | Advanced | 5.56 minutes |
| (Co-op) l4d_farm03_bridge | RU_FLAFFY-YT | Advanced | 6.97 minutes |
| (Co-op) l4d_farm04_barn | RU_FLAFFY-YT | Advanced | 5.69 minutes |
| (Co-op) l4d_farm05_cornfield | RU_FLAFFY-YT | Advanced | 11.21 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | RU_FLAFFY-YT | Normal | 3.45 minutes |
| (Co-op) l4d_airport02_offices | RU_FLAFFY-YT | Advanced | 8.76 minutes |
| (Co-op) l4d_airport03_garage | RU_FLAFFY-YT | Advanced | 10.65 minutes |
| (Co-op) l4d_airport04_terminal | RU_FLAFFY-YT | Advanced | 9.18 minutes |
| (Co-op) l4d_airport05_runway | RU_FLAFFY-YT | Advanced | 7.96 minutes |
| (Co-op) l4d_farm01_hilltop | RU_FLAFFY-YT | Advanced | 5.17 minutes |
| (Co-op) l4d_farm02_traintunnel | RU_FLAFFY-YT | Advanced | 5.56 minutes |
| (Co-op) l4d_farm03_bridge | RU_FLAFFY-YT | Advanced | 6.97 minutes |
| (Co-op) l4d_farm04_barn | RU_FLAFFY-YT | Advanced | 5.69 minutes |
| (Co-op) l4d_farm05_cornfield | RU_FLAFFY-YT | Advanced | 11.21 minutes |
| (Co-op) l4d_river02_barge | RU_FLAFFY-YT | Normal | 10.30 minutes |
| (Co-op) l4d_river02_barge | RU_FLAFFY-YT | Normal | 10.30 minutes |
| (Co-op) l4d_river03_port | RU_FLAFFY-YT | Normal | 7.16 minutes |
| (Co-op) l4d_river03_port | RU_FLAFFY-YT | Normal | 7.16 minutes |