Full list of all 26 Dune: Spice Wars achievements worth 1,000 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Xbox Series X|S.
Capture a Village
Capture a village owned by another faction
Win in easy difficulty or more
Build a building in every base slot
Control 4 special regions
Destroy another player's base
Assassinate an enemy leader
Win in medium difficulty or more
Research all military developments
Research all economic developments
Research all political developments
Research all expansion developments
Win with the Dune Governorship charter
Win an Hegemony Victory
Win by destroying the base of your last opponent
Win by assassinating your last opponent
Win with House Atreides
Win with House Harkonnen
Win with the Fremen
Win with the Smugglers
Control 30 regions
Win with House Corrino
Win by owning more than half of CHOAM
Win in hard difficulty or more
Win a game in solo play without researching any development.
Win in insane difficulty