Mixamo has announced that a collection of its animations and 3D characters are now available for free in Unreal Engine 4.3.
Unreal + SpeedTree
Unreal Engine and SpeedTree allow for these beautiful outdoors shots to run in realtime.
Unreal Engine 4 Offered Free for Schools
Epic Games now offer educational organizations free access to Unreal Engine 4 for faculty and students.
Unreal Engine - Showcase
This compilation video shows off some of the games built wih Unreal Engine technology.