The above video of the demo showcases some of the things that are supposed to be possible in Unity 6, with an Intel Core i9 14900K and Nvidia GeForce RTX 4090 providing the computing power to run it ...
Any engine can work with effort, but some have shorter learning curves - such as Unity, GameMaker, and Godot. RPG Maker is best for turn-based RPGs, Clickteam Fusion for simpler 2D games, and Monogame ...