RSVP (board game) RSVP (board game) RSVP was a vertical version of "Scrabble" introduced by Selchow and Righter in 1958 and promoted as "3-D Scrabble". Two players spelled words using cubical tiles with letters on an upright grid board. "RSVP" was sold in the UK under the Spear's Games label as item #1051 (Copyright 1966 by Production and Marketing Company, 1968 J. W. Spear & Sons Ltd) with the how to play/rules printed inside the box lid. The playing space is a dark blue vertical frame, held upright by two detachable black feet, with 11 x 11 square holes with 75 wooden block
Breakthru (board game) Breakthru (board game) Breakthru is an abstract strategy board game for two players, designed by Alex Randolph and commercially released by 3M Company in 1965, as part of the 3M bookshelf game series. It later became part of the Avalon Hill bookcase games. It is no longer in production. The game has been compared to Fox and Hounds, although it shows more characteristics of the Tafl games of the Middle Ages, such as Hnefatafl. As in Hnefatafl, the game features unevenly matched teams with different objectives. The 3M game set includes a board marked with an 11x11 square grid of