I have been fighting today with certificates, AWS Cloudfront and S3 and Route 53, but managed to convert the http into https. So the site is back.
That was painful. The AWS help pages are immense and filled with technical terms I dont understand and their youtube tutorial videos are terribly outdated.
I haven't really tested what happens with old games that you try to carry over to the next day. I concentrated on normal use.
There are some other funny effects still. For example, when you solve the word500, during the animation, quickly change level or language