Intro to JS Animation - Mission not available anymore, only individual assignments.

Last year I set up a number of Computer Science classes and assigned the excellent "Intro to JS animation" course to them. 

I was able to see their progress / skills completed etc.

This seems to have largely vanished.  It was a wonderful tool!

Missing these things and beginning to look around for alternative sites - which is a shame as KA has been the best I'd seen.

Might  these features be restored at some point?

Thanks,

John