The X Universe Digital Artbook 2018: Enjoy the concept art behind the X universe. X Novel: Nopileos by Helge Kautz as English and German eBook. Digital Soundtrack: Download the music, including exclusive versions of the trailer and teaser music in highest possible quality. Access to the first two expansions for X4: Foundations. X4: Split Vendetta: planned to be released in Q1 2020 Second expansion planned to be released later The bonus content will be placed in your X4 installation folder: …SteamSteamAppscommonX4 FoundationsBonus Content