I don't see any issue accessing bitfresh alpha website. Can you provide a screenshot of your issue and post it here on this thread? We gladly appreciate on solving your issue. Have you checked if you entered the website url link correctly?
Try accessing Bitfresh Alpha here :
https://alpha.bitfresh.winI have visited the website and briefly saw the game but will there be any new features or games that will be released on the website? Will there be other types of games on the website?