Gems4 chess_validator 0.2.24 50,652 January 29, 2022 ruby_nn 0.2.1 7,388 April 24, 2021 philosophers_studio_game 1.0.0 3,260 November 07, 2015 philosophers_studio_game_revamped 1.1.0 3,187 November 17, 2015