It was this part, which I'm guessing is automatically generated by itch.io. I did see the mention for the patreon builds though. I was just thrown when I saw the price tag.
Recent community posts
I uploaded a WebGL build! Yaaaay! It should play right from the game page, but if you have trouble, it is here for the next 30 days as well: http://gamebucket.io/game/f9b378d0-4e87-4f39-834c-c326cac2d8a2