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.

Developers will be charged a flat rate based on how many times their game is installed, no matter if that install is attached to a sale. Developers will be charged a flat rate based on how many times ...

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.