Unreal Engine 3 FeaturesDOWNLOAD UNREAL ENGINE 4 AND GET GOING. We are no longer shipping updates for UE3 or UDK. UNREAL ENGINE 3 (UE3) UE3 was the leading engine of the previous generation. For new projects, we support UE4. UNREAL DEVELOPER KIT (UDK) Unreal Development Kit is the free edition of Unreal Engine 3. We no longer support UDK, and recommend beginning new projects for free using UE4, which brings you all the l
