Interesting; I've never heard of most of those besides Go (& Perl of course). Is CoffeeScript considered a programming language? :O
https://news.ycombinator.com/item?id=3128166
Even if you're being half-facetious...while CoffeeScript seems to have fallen in favor with the onset of ES6, it's hard to overstate its influence in 2011...Rails, which was most definitely the hott framework du jour, decided to make CoffeeScript -- along with the much more ubiquitous jQuery and SASS -- part of its default stack: http://www.rubyinside.com/rails-3-1-adopts-coffeescript-jque...
Notice the mention of Dart and Rust as up-and-comers.
So you could probably write your Unreal Engine game in Rust.
No, technically it's a type of vegetable.