We have even more UE4 demo videos to share with you. These are some crude game prototypes that Epic principal artist Shane Caudle cooked up using the Unreal Engine 4's game-scripting tool Kismet. He made them, an Epic rep tells me, in a matter of hours or days.
These are obviously just programming tests, not $60 real games, of course. But if you want a first look at something game-like running in the engine, here you go. Plus, there's shooting! Games are better when they have shooting, right?
(Also: Keep an eye on the lighting in some of these.)