There i could find vault of old Epic Projects like Tappy Chicken, SillyGeo, SwingNinja and so on…for Unreal Game Engine…In current version of Engine i could not find any of them.
That because they not maintained anymore, you will need to upgrade them to newer version yourself or run them on older UE4 version if you just want to learn something from them. You can find those projects here:
thank u man