30th anniversary refit of the cruel, cruel text-adventure game.

The game is still the same wonderful piece of interactive fiction that Douglas Adams wrote and Steve Meretzky programmed, but in finding it a new home, a few changes needed to be made. The old Flash game would not work on the new servers, and in porting it to a new HTML5 incarnation, several innovations took place. We were able to build in a larger, handier interface, with additional keys and functionality, and build in the ability to tweet from the game. —BBC Radio 4 Extra