This reference describes selected Standard Duplicant skills and base-game research facilities in Oxygen Not Included. Evidence windows support some skill prerequisites and effects, but do not include every named skill entry. Research facilities produce distinct research points and have stated operator and material requirements. The skills source flags potentially outdated mechanics; base-game research coverage is separate from Spaced Out.
Named Standard Duplicant skills and base-game research facilities, limited to claims supported by the supplied evidence windows. The skills source may be outdated; the windows do not establish comparative effectiveness or exact skill point costs.
The Standard Duplicant skills source says it may be outdated and identifies U54-646843 as its last update; U59-736649 is tagged for updating discussed mechanics.
The research passage describes base-game content and points to separate Spaced Out coverage.
The supplied windows do not verify Critter Ranching I’s entry or Improved Carrying I’s own effects.
Explanations prepared with GPT-6 Luna and checked against the linked references. These are source-reviewed guides. They do not establish independently tested optimal builds or exact upgrade budgets. How coverage works.
