Unity is the host environment. The plugin accesses core Houdini dll's to make the asset sing and dance, and no session or process of Houdini is necessary. Houdini Engine for Unity is a Unity plug-in that allows deep integration of Houdini technology into Unity through the use of Houdini Engine. This plug-in brings Houdini's powerful and flexible procedural workflow into Unity through Houdini Digital Assets. Welcome to Houdini + Unity! This group is for anyone who is interested in using the procedural 3D software Houdini with Unity. This group is open to people of all skill levels, disciplines, and industries.