The following is a list of tutorials you may find useful.
- RPG Tutorial
- This tutorial walks you through everything from setting up HaxeFlixel, to making a working, top-down, turn-based RPG.
- Project Jumper
- This tutorial, by Chipacabra, shows you how to make a platformer game.
- Note: this tutorial was written in AS3 Flixel, and ported to HaxeFlixel. Your mileage may vary.
- Haxecoder
- Haxecoder has a couple of HaxeFlixel tutorials, including one to help you get started, and another RPG.