Oh I'm so glad I saw this post!
I LOVE Godot Engine.
Hands down my favourite engine, is just so good, and the updates are always something I look forward to, because they usually solve issues I found with it.
If you read this and you haven't tried it, go right now and try it. Now it has C# support, I think. I use gdscript.
Really, really happy with it. Have I mentioned it's free? And that's a great price!!!
Oh, with the excitement I almost forgot: