Ref. MDG-4021505071025 - BLACK BOX +　 Black Box+　is a deluxe expanded edition of　Black Box　that includes the original square grid game as well as a challenging new hexagonal version. With the publication of Black Box+ Franjos celebrates their 20th anniversary as a game publisher, and 2007 also happens to be the 30th anniversary of　Black Box. Enlace a la BGG