Is it worth your time to login every hour?
Check this post -
https://bitcointalk.org/index.php?topic=320959.msg35994005#msg35994005In that post, it is mentioned that how much you can roughly earn from this site for one year and if you claim every one hour. Decide whether you want to spend your time on this site or not to earn money.
Any other ways to earn from it?
With those free coins buy site lottery and if you're lucky then you can make a good money. But here you're just trying your luck and no guaranty that you will earn money. It is a gambling site so you can't earn money unless you're very lucky.