2016-02-10 Amazon launches new, free, high-quality game engine: Lumberyard GAME_ENGINE Amazon がゲームエンジン Lumberyard を発表 記事を読むと、元は CryEngine でそこから分流したものみたいです article : http://www.gamasutra.com/view/news/265425/Amazon_launches_new_free_highquality_game_engine_Lumberyard.php Lumberyard : http://aws.amazon.com/jp/lumberyard/