Warhammer 40,000: Mechanicus
Warhammer 40,000: Mechanicus is a 2018 video game for PC, Mac, and Linux by Kasedo Games.
Mechanicus puts you in control of an array of Adeptus Mechanicus forces for the first time ever as you lead your priests and troops on a tactical quest to salvage ancient technologies from the mysterious tombs of the planet Silva Tenebris. As Magos Dominus Faustinius of Mars, your every decision will shape the missions ahead and have far-reaching consequences for you and your team.
Also Kasedo Games released two books about game Mechanicus, with the arts from the game and a lore inside.