虚幻引擎
On September 4, 2014, Epic released Unreal Engine 4 to schools and universities for free, including personal copies for students enrolled in accredited video game development, computer science, art, architecture, simulation, and visualization programs. Epic opened an Unreal Engine Marketplace for acquiring game assets. On February 19, 2015, Epic launched "Unreal Dev Grants", a $5 million development fund aiming to provide grants to creative projects using Unreal Engine 4.