Marguerite is a defunct Japanese website, previously at marguerite.jp (dead link) that hosted HTML5 implementations of Hanafuda and Mahjong. Their Hanafuda in particular was very well done, offering a variety of rulesets some of which are difficult to find in video game form and impossible to find in a browser game. The experience was single player versus one or two CPU players. The complete list of rules offered: 2-player Koi-Koi Mushi (aka “Insect”) Roppyakken (aka “600”) Hachi-Hach...