DragonRuby Game Toolkit Tutorial
Everything you need to know to build games with DragonRuby Game Toolkit - Game Jam Edition
Lori is a Ruby, Rails, and RubyMotion developer of many years experience. She has written an iPhone app (WIMBY - http://wimby.ca) in RubyMotion, a book based on her experiences with Core Data while creating WIMBY (Core Data in Motion - http://coredatainmotion.com), and has spoken at RubyMotion #inspect. She has also taught well-received Rails4iOS Developers, and RubyMotion for Rails Developers workshops at conferences around the world.