The Blackest Sea - Survival Mode - Starfield Unity
The Blackest Sea - Survival Mode

The Blackest Sea - Survival Mode

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The Blackest Sea - Survival Mode

The vanilla Starfield experience lacks the survival elements that made Fallout 4 so engaging. This Creation introduces Ship Fuel, an overhauled Sustenance system, and a Soft Permadeath mechanic for New Game Plus, adding depth, challenge, and roleplaying opportunities. All features are customizable via the gameplay settings menu.

Ship Fuel

Grav-Jump Fuel Costs: Helium-3 is now required for Grav-Jumps, with costs matching the approximate amount shown on the Star Map. Refueling Options: Refuel manually at your ship's cargo terminal or through a dialogue option with a Ship Technician. Acquiring Helium-3: Purchase from vendors, extract from planets, or scavenge from defeated ships (now carrying fuel in their inventories). Economy Adjustment: Helium-3 prices are increased for added realism, as is the amount vendors have available. Customization: Disable this feature in the gameplay settings if preferred. Note: You can still fast travel, meaning you can't get stuck on an alien world, but doing so will cost you your entire fuel tank.

Sustenance Overhaul

Balanced Needs System: Replaces the vanilla all-or-nothing buffs/debuffs with a granular system inspired by Fallout 4. Hunger/Thirst: Every 8 hours, unmet needs reduce carry weight and oxygen levels incrementally. Food and drink reduce needs in proportion to their weight. You can also drink water from a Galley if you have water in your ship's cargo. Sleep: Every 16 hours, fatigue reduces EXP gains until you rest. Coffee and Tea decrease fatigue by a small amount. Flexibility: You can delay addressing needs for a few hours without severe penalties, but they must be managed eventually. Better Vendors: Both Terrabrew and Tranquilitea now sell a wide variety of food as well. Customization: Adjust the difficulty in the gameplay settings for a tailored experience.

Soft Permadeath (New Game Plus)

Increased Stakes: In New Game Plus, death sends your character back through the Unity without gaining a Starborn level, resetting progress in that cycle (but keeping your experience and skills gained). Enhanced Roleplaying: Adds tension and makes the Unity a challenging goal, deepening narrative immersion. Lore: This system also explains where the Starborn go when they die, and how each Starborn has persisted through countless cycles. Optional: Disabled by default; enable it in the gameplay settings for a hardcore experience.

Compatibility

A new save is not needed, as all systems will work on existing games. It should be compatible with most creations, and load order won't matter. Have suggestions for additional features or encountered issues? Join our community on Discord: https://discord.gg/sHr64cMrcf. Your feedback is greatly appreciated.

Additional Screenshots Available

This mod has 2 additional screenshots available on the official Bethesda.net page.

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Mod Information

Published
Jul 08, 2025
Last Updated
Dec 02, 2025
Platforms
WINDOWS, XBOXONE, XBOXSERIESX

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