The Colossal Cave Adventure transferred to an Egyptian setting.
Originally released for TRS-80 with a version produced later for the CoCo.
Sean Murphy maintains a webpage about this game.
Chris Cantrell produced a version of the game using the Cog Coordination Language that runs on a Parallax Propeller chip; as referenced in his August 2007 article in Circuit Cellar, issue 205. Chris also has a website that analyses the code for all of Robert's text adventures; see here.
There is a version of the game written using the jmonkey Engine; see here.
In 2014 Aaron Wolfe ported three of Robert Arnstein's adventures (Bedlam, Pyramid 2000 & Raaka-Tu) to Android; later making them available for Chrome.
There is a version of Pyramid 2000, listed as developed by "drcjt" available on the Windows Store.
[+] Users who have solved this game
[+] Users currently playing this game