Brand new modpack created for project Unknown for HryOZivot.cz. It's custom server package, but you can play it in singleplayer too.
Novy modpack projektu HryOZivot.cz, specialne slozeny pro server.
Type in the modpack name (HoZ: Unknown) or paste the following url into the search box.
Finally, click Install at the bottom right of the launcher after you select HoZ: Unknown from the list on the left. The launcher will handle everything else!