It seems to be very thorough. If you do get started with it I'd recommend reading this blog post and see how you feel about rearranging some things. There is no interactive environment, I ended up installing a VirtualBox and putting Ubuntu on it and then configuring all sorts of things because I didn't want to do all this in Windows. I did want to learn more about how to use command lines and the terminal in Ubuntu so that was a win-win The Odin Project does have you go through some of the programs on Codecademy (HTML/CSS and part of Javascript are what I've seen thus far), and then gives you projects based on what you learn there and within the sections on The Odin Project. If you want a similar environment you could try something like JSFiddle or Nitrous.
Let me know if you pick up that course, it'd be good to talk through some of the material and projects!