Hi NotMao,to patch the extension for Haxe 3.0, just go to stencyl directory, then enter in plaf\haxe\extensions\decision-making\ and open DecisionMaking.hxReplace allHash<Float> withMap<String,Float>and it should work.I have used http://haxe.org/manual/haxe3/migration#hash-and-inthash-removal to guide me in the process.I hope this help you.