Best Starsector Overhaul & Faction Mods 2026
The heaviest-hitting mods turn the campaign map into a full 4X game, adding diplomacy, warfare and entire new factions with their own ship hulls.
1. Nexerelin
Adds 4X campaign features on top of the base game, including faction diplomacy, warfare and dynamic invasions. · 39,852 dl
2. Unknown Skies
Greatly expands the variety of star systems, planets and conditions you run into while exploring the sector. · 28,710 dl
3. Diable Avionics Corporation
Adds a corporate faction with its own ship hulls, weapons and campaign presence in the sector. · 20,259 dl
4. Legacy of Arkgneisis
Introduces the Anarakis Reparations Society, a privateer faction built around fragile, angular ships and hit-and-run tactics. · 18,999 dl
5. Archean Order
A full rebalance of vanilla Starsector favouring smaller weapons and more fighters, with a large amount of added lore content. · 13,311 dl
Ranked by hand, not auto-generated. Every mod links to its full page with install guide + compatibility.