Rocca（ロッカ）は六角形のカードゲーム。立方体に見えるカードを使って、オリジナルゲーム「カードタワー」や「ロッカモンスター」が遊べます。トランプと同じカードが入っているので、ポーカーや七並べなど伝統的なゲームも楽しめます。またカードの表と裏を使って、平面なのに立体的に見える「二次元積み木」もできます。

Rocca Classic is a hexagon-shaped card game designed to look like a cube.
You can play original games Card Tower and Rocca The Monster.
It has the same deck as ordinary playing cards, so traditional card games such as poker and sevens can be played with it, too. Rocca has another face that is to be used as flat building blocks that give us an optical illusion of a three-dimensional blocks.