The mahjong game "Uradrasill" that can be played like a puzzle is a free-to-play (*) online game where you can set unique characters in your deck and play heated ranked matches with users from all over the country!Major features■You can do whatever you want even if it's "Yakuman"!1. Easy to play! All you have to do is get excited!2. You can use all 136 tiles and win as many times as you like!3. Test your judgment and luck when dealing tiles!■"Original skills" unique to mahjong!"Tsumo Speed ​​Up": Your own Tsumo speed will become faster during the game."Tile Lock": Lock several tiles of your opponent at random."Delete Dora": Delete one Dora display tile.■“Rank Match Battle” to compete with users from all over the country!*This game has a function to purchase in-game currency used to purchase in-game items.