inform: inform (interactive fiction compiler) inform: inform: Inform 6 is version 6 of Inform, an interactive fiction programming inform: language created by Graham Nelson. Inform 6 made its debut on inform: April 30th, 1996, and it continues to be one of the most popular inform: IF development systems even after the introduction of Inform 7 in inform: 2006. Inform 6, like all other versions of Inform, compiles to code inform: not only for the Z-machine, the same virtual machine used by Infocom, inform: but also for the more powerful and flexible virtual machine called inform: Glulx. inform: