History of the board game Monopoly was first released in 1998 that allowed for one human player against up to three player-selected or randomly chosen AI "personalities" out of five. A Nintendo DS release (along with "Battleship", "Boggle", and "Yahtzee") has been published (by Atari), as well as a stand-alone edition for the same console (by EA). In 2001, Stern Pinball, Inc. released a pinball machine version of Monopoly, designed by Pat Lawlor. The official Parker Brothers rules and board remained largely unchanged from 1936 to 2008. Ralph Anspach argued against this during an on-air conversation with "The Monopoly Book" author Maxine Brady in 1975, calling
History of the board game Monopoly sole inventor of the game, but sought out an affidavit by Darrow to repeat his statements to the contrary, and thus bolster their claim to the game. Parker Brothers subsequently decided to buy out Magie's 1924 patent and the copyrights of other commercial variants of the game to claim that it had legitimate undisputed rights to the game. Robert Barton, president of Parker Brothers, bought the rights to "Finance" from Knapp Electric later in 1935. "Finance" would be redeveloped, updated, and continued to be sold by Parker Brothers into the 1970s. Other board games based on a similar principle, such