باكبون انترتنمنت (انجليزى:Backbone Entertainment), ده شركه تطوير ڤيديو جيم فى رانتشو سانتا مارجاريتا بولايه كاليفورنيا الامريكانيه, الشركه دى اتآسست فى 2003, وقفلت فى 2015. ↑ http://www.imaginengine.com/ ↑ https://web.archive.org/web/20110607150126/http://www.gamepro.com/article/news/113968/foundation-9-says-goodbye-to-charlottetown ↑ https://arstechnica.com/gaming/2015/08/the-new-tech-making-game-preservation-more-authentic-and-future-proof/ archived Backbone Entertainment archived Foundation 9 Entertainment Site archived ImaginEngine Site Digital Eclipse