One notable example is Unreal Engine 4:<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Unreal_Engine#Unreal_Engine_4" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Unreal_Engine#Unreal_Engine_4</a>