Is there documentation and training?  How about sample code and assets?

Once you sign up we will give you access to the HeroEngine documentation Wiki that covers everything you should need to know about HeroEngine.  There is also an robust community forums so you can share questions, answers, tips & tricks with other HeroCloud developers.  You also get full access to reference worlds of example games: SpaceShooter, MMO, FPS, Social Farm Game, all of which include art and scripts so you can see how we’ve used it ourselves.