It's definitely not a language that needs to be created.
I was just in the need for a scripting language in my game engine, and I wanted something that felt like GLSL.
Well, I'm going to use it for one of my personal projects.
I wanted a scripting language for a game engine that I'm working on, and wanted something that felt like GLSL
Cool project, writing a lexer/parser/tokenizer for a simple language was an enjoyable and gratifying experience when I dabbled in the past. It's fun to learn about how those things work in such a hands-on way.
My advice is, if you don’t have any original ideas and want users, your best bet is to implement a subset of JS, that’s the route I’m taking.
Jonathan Blow has a great talk on the redundancy of scripting languages in game engines.
https://youtu.be/y2Wmz15aXk0