It's highly recommended to disable motion smoothing before running Front Defense: Heroes. To do this, uncheck "Enable motion smoothing" under SteamVR Monitor -> Settings -> Applications -> Motion Smoothing.
[img]https://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/31409256/561592b3f7669d1f7b21f0558723c2c53260da69.png[/img]
And also in Video setting.
[img]https://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/31409256/e297f72c9019994e6b784b8f4d3ff6a452a84d5b.png[/img]