I don't know of any other SaaS which gives you a VM with one click without any registration but we do it.
In any case thanks for the feedback, I've put a button on this /advent page for clarity, cheers
> Sign up for a free account (needed to keep track of your progress)
is a complete lie. Tracking a person’s progress is what cookies are for. You don’t need us to create an account for that.
What you do need users to create accounts for, is for you to track every user and their progress.
I don't know of any other SaaS which gives you a VM with one click without any registration but we do it.
In any case thanks for the feedback, I've put a button on this /advent page for clarity, cheers