Game engine Unity has announced it will begin charging developers a fee every time a user installs their game. That's even if someone's just installing games they already own on a new computer.

Unity is canceling its controversial Runtime Fee and returning to a more traditional subscription model for its popular video game engine used by small and big developers worldwide. However, the price ...

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.