Unity says only initial install will require fee, unless game is installed on another device Demos will be largely exempt and developers will be able to inform Unity ...

You only have a raw game idea A team that can shape the core loop and first playable build You need an investor demo A studio ...

For years, the Unity Engine has earned goodwill from developers large and small for its royalty-free licensing structure, which meant developers incurred no extra costs based on how well a game sold.