Sisen 2.2

The game from which a tile with the same design is eliminable.

- Rules -
(1)2 same tiles which march with the top and the bottom or left and right.
(2)2 same tiles which can be tied up by less than 4 straight lines.

- Game modes -
・Standard - Standard game.
・Gravity - Disappear tiles, and the upper the tile falls.
・Obatacle - Turn over the tiles, interfere.