The language is insanely familiar to anyone whose done Python, but that is fair. My understanding is that it does not deploy officially to those platforms due to NDAs or something like that. If you look you will find Godot versions maintained by maintainers that do in fact run on all the missing mainstream gaming console platforms (the switch, etc).
It's actually free, the license is MIT for the editor, so you can download the code, and change just about anything. You can also code native plugins in any other language. It has a build that supports C# and unlike Unity (idk if they ever fixed it) it supports modern C#, which Unity at the time did not support.
I would argue if your only concern is GDScript, you're asking for the C# build, but really GDScript is mostly Python-esque, I would be shocked to hear that anyone who knows basic Python cannot use GDScript.
