1. How I become futa?
2. Way Unreal Engine for 2D game?
Check out Godot Engine is amazing engine a specially for 2D games, and getting better and better for 3D games.
Its GDScript Langue is very easy to pick-up and understand, and has very good and easy to understand docs.
I even make for it system like Ren'Py for more ambitious visual novels and games that aren't visual novels,
but has a lot of dialogue and branching choices, here is repo with example project:
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