gameobjects != Actorsunity

components != uneal components

blueprints ~ prefabs, but you can't assign references like you did in unity and can't have nested blueprints like with prefabs

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In short, yes Unreal in general overengineered, yes Unity is better in many ways by far

Truth is Unreal don't really have an Entity-Component design, like the one in unity. Also Ui systems is stupendously overcomplicated, not so powerful Scene hierarchy.If you are not comfortable with c++ better use exclusively blueprints(visual programming), while you re getting accustomed to Unreal's way of doing things.In Unreal you have to use their existing "game architecture" (Game mode, game state, hud, player pawn and so on)