SE NPC Faction Reputation Reference

Complete reference for Space Engineers' 7 lore factions, 5 economy NPC types, and reputation system. Switch to the Policy Generator tab to draft server rules around NPC interaction.

SPRT Space Pirates Hostile

Default hostile faction. Can be befriended by attacking traders. Gives piracy missions and bounties. Operates raider drones throughout the world.

FCTM Factorum Permanently Hostile

Permanently hostile — cannot be befriended. Owns Global Encounters and controls access to Prototech components. Sends assault fleets when players loot their facilities.

UNKN Unknown / Derelict Neutral

Neutral faction that owns abandoned and derelict structures. Players may salvage UNKN grids without reputation penalty.

ROS Rostov Industrial Neutral

Economy/fleet faction. Neutral by default. Offers mining and production contracts. Becomes friendly at +500 reputation — grants buy discounts at their stations.

SOL Solar Co. Neutral

Economy/fleet faction. Neutral by default. Specialises in energy and component trade. Friendly faction with contract opportunities.

ITW Interstellar Works Neutral

Economy/fleet faction. Neutral by default. Heavy industrial focus. One of the major contract-offering factions at stations.

AGI Agile Defense Systems Neutral

Economy/fleet faction. Neutral by default. Military-supply focus. Sells weapons components and defence equipment at friendly reputation.