Double Tower of Hanoi Solitaire HTML5 game: Build 2 towers in this Hanoi puzzle as card game. Arrange all nine cards of one suit in a single column starting with a nine at the top in sequence down to the ace. Move all cards in two columns in suit from 9 descending down to A. You can only move a card onto a higher ranked card or an empty column. Enjoy playing this game here at Y8.com!