The dispute between Apple and the Fortnite-game developer Epic Games is getting more and more circles. As of Sunday, published the court documents, is now also the U.S. software group Microsoft thereby damaged. Its game division is likely to be affected, even other game developers may be in danger. Epic, according to Apple threatening to lock all developer accounts of Epic Games, which would have far-reaching consequences. Because Epic sold the game development platform Unreal Engine to other game developers, design helps 3D. Unreal Engine is used in numerous Games, and on various operating systems and game consoles to transfer.