We released a free demo of Emperor of the Fading Suns Enhanced on Steam and GOG (please wishlist us on Steam and it generated a number of questions. I posted this timeline in hopes of clearing up some of the confusion.
1997: HDI released the original Emperor of the Fading Suns (EFS) 4x game, part of the Fading Suns universe. You can still get a patched version of that original strategy game on GOG.
2022: Working with a team of modders, HDI released Emperor of the Fading Suns Enhanced (EFSe), a revised version of the original game with hundreds of changes. This is actually available today as a Deal of the Day on GOG: https://www.gog.com/game/emperor_of_the_fading_suns
2022-2023: We continued working on the Enhanced version, and released some more patches that focused on improving the modding tools while also making fixes players had requested.
2024: We began working on a version that would work on Steam and with the Steam APIs.
April 19, 2024: We released a demo for the Enhanced version on Steam and GOG. This demo does not include any special Steam functionality.
Now: We are still working on the Steam version, and plan to incorporate any changes we make for that one into the GOG version. There are a number of great mods like Emperor Wars available for the game, and the modding tools are included with the paid versions of the game.
If you want to see the original changelog between the patched version of the original game and the first Enhanced version, that is here: https://items.gog.com/emperor_of_the_fading_suns/emperor_of_the_fading_suns_changelog.pdf