It's not in the main page anymore, you'd have to dig older posts, here: https://vosmug2.wordpress.com/2018/01/12/693/
But those old demos are not representative of the final game, that's why I don't have them available anymore, it'd be better to look it up on youtube and seee if you like it by watching videos.
Also, the website is in my profile ("View all" button, top right)