Hour of Code

My school is participating in the Hour of Code during Computer Science Education Week. Our main “hour” is going to being through math classes using some of the visual programming environments provided on the website. But I would also like to offer our Language Arts teachers an hour long coding lesson relevant to their curriculum. Can anyone suggest an IF system that will let a beginner implement at least a very small story in an hour, perhaps given some prewriting from an earlier lesson. Our students have Chromebooks, so major bonus points for something web based.

I’ve had a lot of success with Inklewriter for casual story-focused sessions that students can “take home” with them (in the form of URLs):