Parker Brothers wrote all the rules. Many games were based on important events of the day: "Klondike" was based on the Alaskan gold rush, and "War in Cuba" was based on the impending Spanish–American War. The game industry was growing, and the company was becoming very profitable. In 1906, Parker Brothers published the game "Rook", their most successful card game to this day, and it became the best-selling game in the country. During the Great Depression, a time when many companies went out of business, Parker Brothers released a new board game called "Monopoly". Although the company had originally rejected the game
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