Continuous Quality


Replaces vanilla quality generation with a spoilage-based continuous quality system. Every item carries quality as spoilage. Quality propagates through crafting via spoilage averaging.

Tweaks
13 days ago
2.0 - 2.1
36
Factorio: Space Age Icon Space Age Mod
Manufacturing

Changelog

Version: 0.13.0
Date: 2026-08-30
  Balance:
    - Nerfed QC recipes. Still probably OP, but hey, that is more fun.
    - Basic: avg 0.95, Quality module 1: avg 0.85, QM2: avg 0.70, QM3: avg 0.50
Version: 0.12.0
Date: 2026-08-30
  Changes:
    - Fallback QC now fills empty crafters every second even if other ingredients not yet present (fixes gear assembler stall).
    - Added runtime-global toggle for automatic fallback QC (Map settings).
Version: 0.11.0
Date: 2026-08-30
  Changes:
    - Bulk reweighting of how ingredient spoilage affect the product.
    - By default QC (the assembling process) accounts for 20% of the product's spoil level.
Version: 0.10.0
Date: 2026-08-30
  Bugfix:
    - Science packs and other ingredients are now findable in filters.
Version: 0.9.0
Date: 2026-08-15
  Bugfix:
    - Quality Control recipes are now crafted in the Quality Assayer instead of chemical plants.
    - Robot and space platform builds now apply quality from the consumed craft item.
    - Recycling recipes no longer require Quality Control and their outputs carry freshness.
  Changes:
    - Epic and Legendary qualities are unlocked from the start.
    - Quality modules now carry freshness like other items.
    - Ore sorting now rolls randomly: 30% at 75%, 40% at 90%, 20% at 99% spoiled (10% loss).
    - Added Ore Washing: water-based ore re-rolling in assembling machines 2+ (20% at 50%, 40% at 75%, 40% at 90% spoiled), unlocked after Automation 2.
    - Added Acid Leaching: sulfuric-acid ore re-rolling in chemical plants (10% at 20%, 20% at 40%, 20% at 70%, 10% at 90% spoiled), unlocked after Sulfur Processing.
    - Ore Sorting, Ore Washing and Acid Leaching now each have their own crafting menu row.

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Version: 0.8.0
Date: 2026-07-04
  Changes:
    - Quality assayer is cheaper and more visually distinct.
    - Landfill and other tiles are now convertible and placeable.
    - Qualities "uncommon" and "rare" are available at the start. (for filters and such)
Version: 0.7.0
Date: 2026-07-03
  Bugfix:
    - Fixed bots.
    - Fixed rocks and trees only giving single resources.
Version: 0.6.0
Date: 2026-07-03
  Ease of use:
    - Added functionality to place entities without having to quality convert them first.
Version: 0.5.0
Date: 2026-07-01
  Bugfix:
    - Fixed automatic quality control insertion resetting freshness.
Version: 0.4.0
Date: 2026-07-01
  Bugfix:
    - Fixed craft research triggers.
Version: 0.3.0
Date: 2026-07-01
  Bugfix:
    - Fixed recipes now taking in the correct version of items.
Version: 0.2.0
Date: 2026-07-01
  Bugfix:
    - Fixed spanwning with Quality converter chest.
  Info:
    - Added descriptions to guide new players.
Version: 0.1.0
Date: 2026-06-30
  Features:
    - Initial release.