I am using this video as a reference: https://www.youtube.com/watch?v=wZpbTR7pYR0&list=PLdRJdDFCl0uJpNLZjGJz6PlND1WMX422D&index=4&t=502s Here are the assets: https://juhosprite.itch.io/super-mango-2d-pixelart-platformer-asset-pack16x16
If you want to build this yourself, it will work best with this version of JulGame: https://github.com/Kyjor/JulGame.jl/commit/924d08410ae07e1e2179574bad50a1cbc8be0098