Unity proclaimed that on Jan. 1 it would be implementing a pay-per-download pricing model to charge developers a flat fee any time someone installs a video game utilizing Unity software.

Game engine Unity has announced its plans to charge developers per game install once their games reach a certain threshold.

Video game developers aren’t happy about Unity’s latest announcement—and that’s putting it lightly. The maker of one of the world’s most popular cross-platform game engines shared ...