Gems4 chess_validator 0.2.24 50,675 January 29, 2022 ruby_nn 0.2.1 7,391 April 24, 2021 philosophers_studio_game 1.0.0 3,264 November 07, 2015 philosophers_studio_game_revamped 1.1.0 3,193 November 17, 2015