There is an updated FaceFX Integration with Unity. Some of the information contained in this post is no longer relevant, so please post here with new comments. In general, the integration is easier to use and understand. You can still: Rapidly generate bones-based facial animations for your Unity characters using FaceFX Save about 90% on animation filesize compared to default FBX export The new integration has the following changes: Bone poses can be transferred from Unity, removing the need for a FaceFX Studio Professional license to perform this operation. Scaling meshes in Unity is now supported XML control files are imported from the Assets menu, or from the control file for procedural updating of the FaceFx controller. The actor name variable in the XML file is no longer used to match XML files to the correct Game Object. A new more generic control mechanism is used to control the conversation flow. The same unity executable can be used to create vastly different conversations, with different characters by updating the XML control file that is loaded (by updating it in the executable, or changing it on the web). There is a new video tutorial explaining the pipeline with the FaceFX evaluation plugins: As always, feedback is welcome. I have Unity Professional on my machine, so please let em know if there are any problems running through the tutorial with Unity Free.