3M bookshelf game series

Randolph eventually produced TwixT, Oh-Wah-Ree, Breakthru, Evade, Jati and Mad Mate.

Sackson contributed Acquire, Bazaar, Monad, Executive Decision, Sleuth, and Venture.

[1][2] Avalon Hill discontinued most of them, but continued to publish some until 1998, when it was sold by its parent company to Hasbro.

TwixT has been published by a succession of German companies including Schmidt Spiele and Kosmos under license.

Like the 3M series, they are designed to mimic the appearance of a large hardcover book, but instead of a slip-case, the games use a magnetic closing flap.