ZSW - FireField (2517 - 2521) - Starfield Unity
ZSW - FireField (2517 - 2521)

ZSW - FireField (2517 - 2521)

By GoArray

Free Mod

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  • Warning: This pushes right up against the engine limits. On xBox specifically people have reported that along with shattered space and a couple other added mod systems things start to break! There's also a bug where map markers persist in system view. Consider this more of a base for modders / something to explore rather than complete mod to bake into your save for the moment.

"After the Earth was used up, we found a new solar system, and hundreds of new Earths were terraformed and colonized. The central planets formed the Alliance and decided all the planets had to join under their rule. There was some disagreement on that point. After the war, many of the Independents who had fought and lost drifted to the edges of the system, far from Alliance control. Out here, people struggle to get by with the most basic technologies. A ship would bring you work. A gun would help you keep it. A captain's goal was simple: Find a crew. Find a job. Keep flying." -  Derrial Book (circa 2517)

This mod brings the Firefly 'Verse into Starfield as FireField.

  • Primarily based on The Verse in Numbers v2.1, adapted where necessary to play nice with Starfield’s engine limits.

New Planet 'Types'

  • To convey the state of the ‘Verse by 2330, and help with game play a bit, I've added a handful of custom UI planet 'Types'.

Helioformed

  • Gas giants / brown dwarfs that were artificially ignited prior to 2330.
  • These are similar to standard gas giants and must be surveyed for completion.

Terraformed

  • Worlds fully terraformed before 2330.
  • Human POIs present.
  • Eligible for base-game radiant quests and encounters.
  • Oxygen atmospheres and habitable environments.

Lithoformed

  • Asteroids and planetoids that underwent terraforming.
  • Human POIs present.
  • Eligible for base-game radiant quests and encounters.
  • Often thin atmospheres and weak magnetospheres.
  • Expect some solar radiation to leak through.
  • Flora and fauna are rare, usually primordial.

Developing

  • Worlds in the early stages of terraforming as of 2330.
  • Mixed conditions:
  • Some support human habitation.
  • Some may be chosen as quest targets.
  • Some may host flora and fauna.
  • Habitability varies, closer to 2330 tends to be further along.

Base Game Types (Rock, Barren, Asteroid, etc.)

  • Worlds terraformed after 2400.
  • No permanent human presence.
  • Not used for quests.
  • Habitability is unlikely, though native flora and fauna may still exist.

All orbital bodies (planets, moons, asteroids):

  • Are scannable
  • Contain mineable resources
  • Can be landed on

Specifics

  • 5 Stars (SystemIDs 2517 thru 2521)
  • 7 Helioformed Giants
  • 7 Giants
  • 72 Terraformed worlds
  • 35 Developing worlds
  • 137 Undeveloped worlds

I tried to build faithfully on the work put into TVIN, but some compromises were required. Kalidasa in particular pushes the engine close to its 64 bodies per system limit. For this reason, a handful of bodies in the Kalidasa system were left out. All lagrangian clusters noted in TVIN were left out as well.

This mod only adds the systems and planets, simplicity and zero conflicts in mind. It should be fully compatible with and utilize all base game mechanics.

Additional Screenshots Available

This mod has 12 additional screenshots available on the official Bethesda.net page.

View All Screenshots on Bethesda.net

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Mod Information

Published
Dec 29, 2025
Last Updated
Dec 30, 2025
Platforms
WINDOWS, XBOXONE, XBOXSERIESX

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