Why Friday Night Funkin Bet on HaxeFlixel and Haxe: The Flash-Ghost Stack Behind a Viral Rhythm Phenomenon

Why four jam devs built viral rhythm hit Friday Night Funkin on niche HaxeFlixel + Haxe/OpenFL instead of Unity, what one-codebase browser builds and Apache 2.0 forks gained and cost, why imprecise timing forced more human charts, and what indie devs can steal — with original analysis.